ChainModel: rewrite POS2 to use ChainModel (not compiling)
ChainModel: rewrite POS2 to use ChainModel (not compiling)

Craigacp/factorie,strubell/factorie,pogren-oracle/factorie,malcolmgreaves/factorie,hlin117/factorie,factorie/factorie,zxsted/factorie,melisabok/factorie,joprice/factorie,digitalreasoning/factorie-scala-210,asubbaswamy/factorie,patverga/factorie