Premise: "The black dog is wearing a red collar and is jumping into the water after a frisbee."
Hypothesis: "An animal in water."
Do we know that the hypothesis entailed by the premise?

yes
Explanation: Black dog jumping into the water after a Frisbee shows an animal in water..

Given the sentence "A group of people ride in a race." is it true that "Several groups of people are riding their bike in a race."?

it is not possible to tell
Explanation: Not all races are bike races. Just because there is a group of people does not mean that there are several groups of people..

Premise: "An ice skating couple performs on the ice."
Hypothesis: "A man and woman holding hands while ice skating."
Do we know that the hypothesis entailed by the premise?

it is not possible to tell
Explanation: Just because an ice skating couple performs on the ice does not mean they are holding hands while ice skating..

Given the sentence "A group of people are looking into the distance." is it true that "People are looking in the distance."?
yes
Explanation: Looking in the distance implies that they are looking into the distance..