Student asked: Given the sentence "A man works at welding a railing." can we conclude that "A man is welding at work with coworkers."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A man works at welding a railing doesn't imply that he is working with coworkers. The answer is it is not possible to tell.

Student asked: If "A man is dribbling a basketball on the basketball court as if he is about to seek a basket." does that mean that "Two men are playing chess at the library."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. One cannot play basketball and chess simultaneously. One can either be at the basketball court or the library. The answer is no.

Student asked: Premise: "A goalie lays on the ground after catching a soccer ball."
Hypothesis: "The goalie is participating in the end-of-game shootout."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. The goalie catching a ball does not mean that it is during an end-of-game shootout. The answer is it is not possible to tell.

Student asked: If "Two combatants in a rugby stadium making a move on each other." does that mean that "One wearing green with ball and defended by #5 in the maroon colors."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. Two players are making moves on each other in a rugby stadium. The answer is yes.