A boy is playing the piano.
A man is playing a piano.

Rate the textual similarity of these two sentences on a scale from 0 to 5, where 0 is "no meaning overlap" and 5 is "means the same thing".

Answer: 3

East Ukraine Separatists Ask to Join Russia
Crimean Parliament Votes to Join Russia

Rate the textual similarity of these two sentences on a scale from 0 to 5, where 0 is "no meaning overlap" and 5 is "means the same thing".

Answer: 3

A black dog running in the snow.
A black dog running on a beach.

Rate the textual similarity of these two sentences on a scale from 0 to 5, where 0 is "no meaning overlap" and 5 is "means the same thing".

Answer: 2

the resolution requires all 192 united nations member states to adopt laws to prevent terrorists, black marketeers and other non-state actors from manufacturing, acquiring or trafficking in nuclear, biological or chemical weapons or the materials to make them.
resolution 1540 requires all countries to adopt laws to prevent non-state actors from manufacturing, acquiring or trafficking in nuclear, biological or chemical weapons, the materials to make them, and the missiles and other systems to deliver them.

Rate the textual similarity of these two sentences on a scale from 0 to 5, where 0 is "no meaning overlap" and 5 is "means the same thing".

Answer:
4