Premise & hypothesis: Is the premise "A young boy wearing a white tunic, white pants, and a yellow belt is standing on his left leg with his right leg extended in a karate pose." true if "A young boy with a yellow belt is getting ready to spar with another boy, also wearing a yellow belt."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "Male swimmer doing the butterfly stroke in a lake." true if "A man swimming."?
A: yes

Premise & hypothesis: Is the premise "Two young adults stop to take a picture with men dressed in costumes." true if "Young people taking a group photo."?
A: yes

Premise & hypothesis: Is the premise "Three woman and one man is jumping into off a pile a sand with their over their heads." true if "There are both men and women in the photo."?
A:
yes