Not every person is a man and sitting by a dog does not imply it is his dog.
The question and answer are below.
If "Person sitting and leaning back against white house while dog sits in front of him." does that mean that "A man sits on a porch with his dog."?
Options:
- yes
- it is not possible to tell
- no
it is not possible to tell

The man was wearing a black hat is a shortened version of a young man wearing a black hat and jacket is walking outside.
The question and answer are below.
Given the sentence "A young man wearing a black hat and jacket is walking outside." is it true that "The man was wearing a black hat."?
yes

Dogs are not always rewarded with a treat if the catch a ball.
The question and answer are below.
Given the sentence "A small dog tries to catch a red ball." can we conclude that "A dog wants the ball so he can get a treat."?
Options:
- yes
- it is not possible to tell
- no
it is not possible to tell