People walking up and down on a street walk on the street.
The question and answer are below.
Given the sentence "People walking up and down on a crowded street in the daytime." is it true that "People walk on the street."?
yes

*****

A man is working in the laboratory regardless of what he is wearing.
The question and answer are below.
Premise: "Man wearing an purple shirt working in a biology lab."
Based on this premise, can we conclude that the hypothesis "The man is working in the laboratory." is true?
Options:
- yes
- it is not possible to tell
- no
yes

*****

A city filled with people is a city full of people.
The question and answer are below.
If "City filled with people walking around man with sign." does that mean that "A city full of people are walking around a man."?
Options:
- yes
- it is not possible to tell
- no
yes

*****

Looking at a train does not imply they are touching it.
The question and answer are below.
Premise: "Several people looking at an old train engine."
Based on this premise, can we conclude that the hypothesis "The people are touching the train." is true?
Options:
- yes
- it is not possible to tell
- no
it is not possible to tell

*****