Gunmen ambush police boat in Nigeria oil region
Sudanese police block protest at human rights commission

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". OPTIONS:
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Answer: 0

Is it in the food supply?" says David Ropeik, director of risk communication at the Harvard Center for Risk Analysis.
"It's not zero," said David Ropeik, director of risk communication at the Harvard Center for Risk Analysis.

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". OPTIONS:
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Answer: 2

Tropical Storm Isaac drenches Haiti, swipes Cuba
Tropical Storm Isaac threatens dam

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". OPTIONS:
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Answer: 1

A man lays on the ground and aims a rifle.
A man is spreading butter on a tortilla.

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". OPTIONS:
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Answer:
0