Given the sentence "Two children with hula-hoops." is it true that "Children with a hula-hoop."?

it is not possible to tell
Explanation: The fact that two children with hula-hoops does not imply that children with a hula-hoop..

Given the sentence "People getting on and off and orange bus." is it true that "Only men can ride the bus."?

it is not possible to tell
Explanation: People getting on an off the bus surely are not only men..

Premise: "A man wearing a white button down shirt looking out of a window of a train."
Hypothesis: "The man is on a trip."
Do we know that the hypothesis entailed by the premise?

yes
Explanation: The man is on a train so he must be on a trip..

If "A family is taking a portrait." does that mean that "A single man takes a selfie."?
Options:
- yes
- it is not possible to tell
- no
no
Explanation: It cannot be both a single man and a family and it cannot be a portrait and a selfie..