Question:
The man is riding a motorcycle down the road.
A man is riding a red motorcycle on the road.
Answer:
4

Question:
A man is catching a ball.
A cat is rubbing against a baby.
Answer:
0

Question:
British-based GlaxoSmithKline Plc said earlier this year it would cut off supplies to Canadian drugstores that ship to the United States.
GlaxoSmithKline, the UK drugmaker, has said it would cut off supplies to Canadian stores shipping drugs to the US.
Answer:
4