Rate the similarity of the following two sentences
I hope this is nothing.
I hope everything is ok!

2

Rate the similarity of the following two sentences
General Myers told reporters that "at first blush, it doesn't look like any rules were broken".
"At first blush, it doesn't look like any rules were broken," said Gen. Richard Myers, chairman of the Joint Chiefs of Staff.

4

Rate the similarity of the following two sentences
A boy is playing a key-board.
A boy is playing the piano.
3