Question:
Based on the premise "The fellow knew every dirty trick and was eager to use them all.", can we conclude that "The fellow didn't really know any dirty tricks, so there was nothing to fear."?
****
Answer:
no

Question:
Based on the premise "The man's legacy to his family has almost nothing to do with anything that can be appraised in dollars and cents.", can we conclude that "A legacy doesn't care about material things."?
****
Answer:
yes

Question:
Based on the premise "girls jump rope in out pepper pepper old man wipes his brow", can we conclude that "girls don't jump rope."?
****
Answer:
no