Walking in the forest does not necessitate that there is a bear in the background.
The question and answer are below.
Premise: "A little blond boy in a blue winter coat is walking in the forest past a tree stump."
Hypothesis: "A litlle boy walking in the forest and a bear is in the background."
Do we know that the hypothesis entailed by the premise?
it is not possible to tell

The family leaves by train because they are on a departing train.
The question and answer are below.
Test for natural language inference.
Premise: "A woman and her children departing a train."
Hypothesis: "A family leaves by train."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
yes

He states that the woman is cycling by a gray car not riding a motorcycle.
The question and answer are below.
Given the sentence "A thin young woman in a green t-shirt cycles by a gray car." is it true that "The woman is riding a motorcycle."?
no