Premise & hypothesis: Is the premise "A person on a yellow dirt bike is taking a jump." true if "A person on a dirt bike."?
A: yes

Premise & hypothesis: Is the premise "A child with a skull on his shirt is sitting in front of some plants and a building and is holding onto handlebars." true if "A child is outside of a building grasping some handlebars"?
A: yes

Premise & hypothesis: Is the premise "A man and a woman speaking into a microphone are on a stage." true if "Two people on a stage are speaking to an audience"?
A: it is not possible to tell

Premise & hypothesis: Is the premise "The two man are fixing something." true if "Two men are working with tools."?
A:
it is not possible to tell