Rate the similarity of the following two sentences
Two people wearing hats sit and look at the camera.
A man wearing a blue shirt makes a grouchy face.

0

Rate the similarity of the following two sentences
US stocks tumble on third day of shutdown
Stocks fall on third day of government shutdown

5

Rate the similarity of the following two sentences
Facebook earnings jump 63% as mobile ads accelerate
Facebook profits jump as user base expands
3