If "These people are demonstrating for their leader." does that mean that "A doctor takes someone's blood pressure in a clinic."?
Options:
- yes
- it is not possible to tell
- no

no
Explanation: When a doctor takes blood pressure he is not demonstrating for a leader..

Can we conclude from "An elderly man with a beard in a dark suit is walking through a rainy city." that "An old man is walking in the rain to see his dying wife."?
Options:
- yes
- no
- it is not possible to tell

it is not possible to tell
Explanation: An elderly man walking through a rainy city is not necessarily going to see his dying wife. There a number of reasons he could be walking through the city..

Test for natural language inference.
Premise: "A row of children in yellow hats are gazing into an exhibit."
Hypothesis: "A row of children are wearing hats."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

yes
Explanation: A row of children in yellow hats are gazing into an exhibit can be simplified to a row of children are wearing hats..

Given the sentence "A small boy in the bath covered in soap suds." can we conclude that "A boy plays in the tub while his mom washes his hair."?
Options:
- yes
- it is not possible to tell
- no
it is not possible to tell
Explanation: A child may not necessarily have his mother wash his hair while in the bath. A boy may not necessarily be playing while in the bath..