[QUESTION] Given the sentence "Three construction workers stand over a job site wearing ragged and tattered clothing while a man and woman pass behind them and a large pill of dirt and debris sit in front." is it true that "Three guys are whistling to the people passing behind them."?
Three workers on construction site need not be whistling to the man and woman passing behind them.
The answer is it is not possible to tell.

[QUESTION] Can we conclude from "Boy wearing a red shirt standing on a plastic object and holding a yellow toy shovel." that "A boy is ready to dig for treasure."?
Options:
- yes
- no
- it is not possible to tell
A shovel does not always indicate that someone is ready to dig for treasure.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "The men are working on the cement building." can we conclude that "Humans near a structure."?
Options:
- yes
- it is not possible to tell
- no
Men are humans and a building is a type of structure.
The answer is yes.

[QUESTION] Test for natural language inference.
Premise: "A mountain biker with number 060 on the bike covered in mud from riding downhill on a muddy track."
Hypothesis: "A woman is riding her bike on the sidewalk."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
The woman riding her bike on a sidewalk contradicts the biker in first sentence riding downhill.
The answer is no.