replace simple 'or' expressions with among()
replace simple 'or' expressions with among()

snowballstem/snowball,kariminf/snowball,cesarsouza/snowball,assem-ch/snowball,cesarsouza/snowball,kariminf/snowball,JDemler/snowball,snowballstem/snowball,snowballstem/snowball,JDemler/snowball,cesarsouza/snowball,cesarsouza/snowball,snowballstem/snowball,JDemler/snowball,JDemler/snowball,snowballstem/snowball,kariminf/snowball,assem-ch/snowball,kariminf/snowball,snowballstem/snowball,snowballstem/snowball,assem-ch/snowball,JDemler/snowball,assem-ch/snowball,kariminf/snowball,JDemler/snowball,cesarsouza/snowball,snowballstem/snowball,assem-ch/snowball,cesarsouza/snowball,cesarsouza/snowball