Rate the similarity of the following two sentences
A boy rode his bike on top of a metal fence.
A BMX biker rides along the top of a fence.

3

Rate the similarity of the following two sentences
Obama economic tour buffeted by low expectations
Obama encourages Boy Scouts to end ban on gays

2

Rate the similarity of the following two sentences
A man sliced through a bunch of water bottles with a knife.
A man is slicing a line of water bottles with a knife
4