fix bugs... now U: 91.721 L: 89.612 in stanford split:
fix bugs...
now U: 91.721 L: 89.612 in stanford split:

time vowpalwabbit/vw -k --passes 3  --cache_file $exp_name.cache -d
$train_data --search_rollin mix_per_roll --search_task dep_parser
--search 91 --search_alpha $alpha  --search_rollout none --cost_to_go
--holdout_after 39829 -f models/${exp_name}.$i -b 30
--search_history_length 3  --root_label 19 --num_label 45
--search_use_passthrough_repr --one_learner --transition_system 2

time vowpalwabbit/vw -t -d $test_data -i models/${exp_name}.$i -p
${tmp_file} --search_metatask selective_branching --search_max_branch 3

lhoang29/vowpal_wabbit,hal3/vowpal_wabbit,jon-morra-zefr/vowpal_wabbit,michaelbrundage/vowpal_wabbit,michaelbrundage/vowpal_wabbit,lmatthieu/myvw,zachmayer/vowpal_wabbit,lhoang29/vowpal_wabbit,zachmayer/vowpal_wabbit,digitalreasoning/vowpal_wabbit,danmelamed/vowpal_wabbit,digitalreasoning/vowpal_wabbit,hal3/vowpal_wabbit,deaktator/vowpal_wabbit,hal3/vowpal_wabbit,jon-morra-zefr/vowpal_wabbit,zachmayer/vowpal_wabbit,lmatthieu/myvw,lmatthieu/myvw,trufanov-nok/vowpal_wabbit,digitalreasoning/vowpal_wabbit,lhoang29/vowpal_wabbit,pombredanne/vowpal_wabbit,deaktator/vowpal_wabbit,deaktator/vowpal_wabbit,pombredanne/vowpal_wabbit,KaiWeiChang/vowpal_wabbit,pombredanne/vowpal_wabbit,KaiWeiChang/vowpal_wabbit,hal3/vowpal_wabbit,jon-morra-zefr/vowpal_wabbit,KaiWeiChang/vowpal_wabbit,zachmayer/vowpal_wabbit,zachmayer/vowpal_wabbit,danmelamed/vowpal_wabbit,pombredanne/vowpal_wabbit,michaelbrundage/vowpal_wabbit,trufanov-nok/vowpal_wabbit,lmatthieu/myvw,pombredanne/vowpal_wabbit,danmelamed/vowpal_wabbit,KaiWeiChang/vowpal_wabbit,trufanov-nok/vowpal_wabbit,lhoang29/vowpal_wabbit,deaktator/vowpal_wabbit,lmatthieu/myvw,danmelamed/vowpal_wabbit,danmelamed/vowpal_wabbit,trufanov-nok/vowpal_wabbit,digitalreasoning/vowpal_wabbit,danmelamed/vowpal_wabbit,zachmayer/vowpal_wabbit,digitalreasoning/vowpal_wabbit,hal3/vowpal_wabbit,jon-morra-zefr/vowpal_wabbit,trufanov-nok/vowpal_wabbit,michaelbrundage/vowpal_wabbit,lhoang29/vowpal_wabbit,pombredanne/vowpal_wabbit,jon-morra-zefr/vowpal_wabbit,digitalreasoning/vowpal_wabbit,deaktator/vowpal_wabbit,michaelbrundage/vowpal_wabbit,hal3/vowpal_wabbit,KaiWeiChang/vowpal_wabbit,danmelamed/vowpal_wabbit,deaktator/vowpal_wabbit,jon-morra-zefr/vowpal_wabbit,deaktator/vowpal_wabbit,zachmayer/vowpal_wabbit,KaiWeiChang/vowpal_wabbit,michaelbrundage/vowpal_wabbit,pombredanne/vowpal_wabbit,trufanov-nok/vowpal_wabbit,KaiWeiChang/vowpal_wabbit,lhoang29/vowpal_wabbit,jon-morra-zefr/vowpal_wabbit,deaktator/vowpal_wabbit,pombredanne/vowpal_wabbit,jon-morra-zefr/vowpal_wabbit,lhoang29/vowpal_wabbit,lhoang29/vowpal_wabbit,deaktator/vowpal_wabbit,lmatthieu/myvw,hal3/vowpal_wabbit,trufanov-nok/vowpal_wabbit,jon-morra-zefr/vowpal_wabbit,lhoang29/vowpal_wabbit,digitalreasoning/vowpal_wabbit,jon-morra-zefr/vowpal_wabbit,danmelamed/vowpal_wabbit,pombredanne/vowpal_wabbit,digitalreasoning/vowpal_wabbit,digitalreasoning/vowpal_wabbit,trufanov-nok/vowpal_wabbit,pombredanne/vowpal_wabbit,lmatthieu/myvw,lmatthieu/myvw,michaelbrundage/vowpal_wabbit,danmelamed/vowpal_wabbit,trufanov-nok/vowpal_wabbit,zachmayer/vowpal_wabbit,michaelbrundage/vowpal_wabbit,hal3/vowpal_wabbit,deaktator/vowpal_wabbit,KaiWeiChang/vowpal_wabbit,hal3/vowpal_wabbit,michaelbrundage/vowpal_wabbit,jon-morra-zefr/vowpal_wabbit,lhoang29/vowpal_wabbit,danmelamed/vowpal_wabbit,zachmayer/vowpal_wabbit,hal3/vowpal_wabbit,lmatthieu/myvw,deaktator/vowpal_wabbit,trufanov-nok/vowpal_wabbit,hal3/vowpal_wabbit,KaiWeiChang/vowpal_wabbit,michaelbrundage/vowpal_wabbit,digitalreasoning/vowpal_wabbit,zachmayer/vowpal_wabbit,KaiWeiChang/vowpal_wabbit