Given the sentence "Three runners race past at a track meet." is it true that "Three runners are at a track meet."?

yes
Explanation: Runners that race past track meet are at the track meet..

Premise: "Man in red shorts and white shirt kicking a soccer ball."
Hypothesis: "The man is playing hockey."
Do we know that the hypothesis entailed by the premise?

no
Explanation: One is not playing hockey if they are kicking a soccer ball..

Premise: "A man spinning on his head on a city sidewalk near a checkerboard mat."
Hypothesis: "A man is playing his guitar on a city sidewalk."
Do we know that the hypothesis entailed by the premise?

no
Explanation: A man cannot be spinning on his head and playing his guitar at the same time..

Given the sentence "Adults are voting while children wait behind them." is it true that "The children are waiting."?
yes
Explanation: The children wait behind them is the same as children waiting..