input question: Is it true that "John was very impressed." if "John was jogging through the park when he saw a man juggling watermelons. He was very impressed." is true?
output answer: yes

input question: Is it true that "The crutches should be unnecessary." if "Sam broke both his ankles and he's walking with crutches. But a month or so from now they should be unnecessary." is true?
output answer: yes

input question: Is it true that "Mr. Singer heard him calling for the captain" if "Mark was close to Mr. Singer's heels. He heard him calling for the captain, promising him, in the jargon everyone talked that night, that not one thing should be damaged on the ship except only the ammunition, but the captain and all his crew had best stay in the cabin until the work was over." is true?
output answer: no

input question: Is it true that "Prehistoric humans hunted for deer on the river banks." if "Archaeologists have concluded that humans lived in Laputa 20,000 years ago. They hunted for deer on the river banks." is true?
output answer:
yes