Rate the similarity of the following two sentences
The man took off his sunglasses while talking.
A man wearing a hard hat removes his glasses as he speaks.

3

Rate the similarity of the following two sentences
Whistleblower Edward Snowden flies to Moscow
NSA whistleblower Edward Snowden leaves Hong Kong on flight to Moscow

4

Rate the similarity of the following two sentences
Mauritanian president shot by army unit
Mauritanian president shot at
4