text1: The Edinburgh International Festival (held annually since 1947) is acknowledged as one of the world's most important arts festivals.
feat_premise_binary_parse: ( ( ( The ( Edinburgh ( International Festival ) ) ) ( -LRB- ( ( ( held annually ) ( since 1947 ) ) -RRB- ) ) ) ( ( is ( acknowledged ( as ( one ( of ( ( the ( world 's ) ) ( ( most important ) ( arts festivals ) ) ) ) ) ) ) ) . ) )
feat_premise_parse: (ROOT (S (NP (NP (DT The) (NNP Edinburgh) (NNP International) (NNP Festival)) (PRN (-LRB- -LRB-) (VP (VBN held) (ADVP (RB annually)) (PP (IN since) (NP (CD 1947)))) (-RRB- -RRB-))) (VP (VBZ is) (VP (VBN acknowledged) (PP (IN as) (NP (NP (CD one)) (PP (IN of) (NP (NP (DT the) (NN world) (POS 's)) (ADJP (RBS most) (JJ important)) (NNS arts) (NNS festivals))))))) (. .)))
text2: The Edinburgh International Festival has been held annually since 1947. 
feat_hypothesis_binary_parse: ( ( The ( Edinburgh ( International Festival ) ) ) ( ( has ( been ( ( held annually ) ( since 1947 ) ) ) ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (DT The) (NNP Edinburgh) (NNP International) (NNP Festival)) (VP (VBZ has) (VP (VBN been) (VP (VBN held) (ADVP (RB annually)) (PP (IN since) (NP (CD 1947)))))) (. .)))