[Q] Premise: "A black dog pulling on a purple object with its mouth."
Based on this premise, can we conclude that the hypothesis "A black dog is pulling excitedly." is true?
Options:
- yes
- it is not possible to tell
- no
[A] Not all dog pulling on a purple object with its mouth excitedly.
The answer is it is not possible to tell.

[Q] If "A younger boy and an older man focus on tinkering with some kid of electronic device." does that mean that "The device is old."?
Options:
- yes
- it is not possible to tell
- no
[A] Just because a device is electronic does not mean the device is old.
The answer is it is not possible to tell.

[Q] Given the sentence "A man in a yellow shirt examining the wheel of his bicycle." can we conclude that "A man is looking at fruit at an outdoor market."?
Options:
- yes
- it is not possible to tell
- no
[A] If the man is examining the wheel then he is not looking at fruit.
The answer is no.