Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
add new test sentences
add new test sentences
Revert "add new test sentences"

This reverts commit 5d73ac4fe521159c3af58929611e7c5d4970b38d.
delete sentences
add sentences of type "one entity two or more features"
fixes for degree() relationships
Merge pull request #142 from kkasunperera/newtests

New test sentences