Given the sentence "A welder is welding on a pipe with sparks flying." is it true that "A welder is welding."?

yes
Explanation: If a welder is welding then it would be a welder who is welding..

Test for natural language inference.
Premise: "A man is carrying bags nearby an elevated roadway and crosswalk."
Hypothesis: "A man is coming back from long trip and walking to a cab at the airport."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

it is not possible to tell
Explanation: A man can carry bags without necessarily coming back from long trip..

Premise: "Beautiful snowy landscape with people treading through the snow."
Based on this premise, can we conclude that the hypothesis "There is a beautiful snowy landscape with many people." is true?
Options:
- yes
- it is not possible to tell
- no

it is not possible to tell
Explanation: You can't imply there are many people treading through the snow since it is cold out..

Test for natural language inference.
Premise: "A bus in the intersection."
Hypothesis: "A bus is in the middle of a road."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
yes
Explanation: Where two roads meet in the middle is called an intersection..