Rate the similarity of the following two sentences
Two brown dogs are biting each other.
Two brown dogs biting each other on sand.

4

Rate the similarity of the following two sentences
Florida Sen. Bob Graham was not identifiable by 61 percent of those polled.
Kerry was viewed favorably by 66 percent of those polled; Dean at 57 percent.

1

Rate the similarity of the following two sentences
Tokyo shares open higher on buoyant U.S. market
Tokyo shares open higher following strong U.S. performance
4