Q: If "A skateboarder rides down a city street." does that mean that "A cyclist rides in a city street race."?
Options:
- yes
- it is not possible to tell
- no
A: A skateboarder uses a skateboard but a cyclist uses a bicycle.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "A man wearing shorts leaps off a rock into the ocean."
Hypothesis: "A man wearing shorts jumping into ocean to get away from a bear."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Not all men jump into the ocean to get away from a bear.
The answer is it is not possible to tell.

[QUESTION] Premise: "Two archaeologists digging out some archaeologist things."
Hypothesis: "Two people are enjoying themselves."
Do we know that the hypothesis entailed by the premise?
Archeologists doing their job does not say anything about whether they are enjoying it.
The answer is it is not possible to tell.

Q: Premise: "Man sports fishing off a pier on a sunny day."
Hypothesis: "A man is reeling in a large trout from the lake."
Do we know that the hypothesis entailed by the premise?
A: The pier might not be on a lake. The man might not be reeling in anything. The fish might not be a trout.
The answer is it is not possible to tell.

QUESTION: If "Winter enthusiast taking a break under a snow covered pine to enjoy a sandwich." does that mean that "The person is at a ski area."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The fact that a winter enthusiast is taking a break under a snow covered pine doesn't imply at a ski area.
The answer is it is not possible to tell.

QUESTION: Given the sentence "Five dogs are racing on a dirt track." is it true that "Five dogs are locked up in a cage."?

Let's solve it slowly:
If dogs are locked up in a cage they cannot be racing.
The answer is no.