Given the sentence "A boy mountain bikes down a trail." can we conclude that "A girl motor bikes down a country lane."?
Options:
- yes
- it is not possible to tell
- no

no
Explanation: There is either a boy doing something or a girl doing something..

Test for natural language inference.
Premise: "Flight attendant in red pushes drink cart through aisle of airplane."
Hypothesis: "The drink cart is on top of the plane."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

no
Explanation: The cart can not be both inside the airplane in the aisle and on top of the plane..

Test for natural language inference.
Premise: "A martial artist lands a blow to the thigh of his opponent while a referee throws up his hand."
Hypothesis: "A referee calls an illigal during a martial arts fight."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

it is not possible to tell
Explanation: The referee could be making any kind of signal and did not actually calling an illegal..

Test for natural language inference.
Premise: "A black dog in the water."
Hypothesis: "A black dog is swimming in the ocean."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
it is not possible to tell
Explanation: A black dog in the water does not imply that dog is swimming in the ocean..