QUESTION: Premise: "A group of people are standing on a raft as it drifts down a river."
Hypothesis: "People are sitting in a raft that's been washed up onshore for a few hours."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: The group can not be standing as a raft drifts if they are sitting onshore.
The answer is no.

QUESTION: If "A boy jump kicks off a dock into a lake." does that mean that "The boy is in bed sick with the flu."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The boy can't be in bed if he's jumping into the lake.
The answer is no.

QUESTION: Given the sentence "A wakeboarder is suspended in midair over water." is it true that "A snowboarder is suspended in midair."?

Let's solve it slowly:
Person who is in water wakeboarder can not be out in the snow snowboarder at the same time.
The answer is no.