def findRelationshipUsingGrammer(phrase):
phrase = tag(phrase)
grammer ='REL: {<RB><RBR><IN>|' \
'<RB><JJ|JJR|JJS><IN>|' \
'<JJ|JJR|JJS><IN>|' \
'<JJ|JJR|JJS>|' \
'<JJ|JJR|JJS><TO>}'
parseTree = RegexpParser(grammer).parse(phrase)
for i in parseTree.subtrees(filter=lambda x: x.label() == 'REL'):
return ' '.join([ k[0] for k in list(i)])
