Premise & hypothesis: Is the premise "A woman wearing red and a man wearing blue pose for a picture in a grassy meadow with trees behind them." true if "A couple is getting wedding photos taken in a grassy meadow."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "Children are performing a routine on stage." true if "Some kids are on a stage"?
A: yes

Premise & hypothesis: Is the premise "A man selling pin-wheels." true if "A man is selling pink flowers."?
A: no

Premise & hypothesis: Is the premise "Two climbers are wearing backpacks ascending a very snowy mountain." true if "Two people climb a mountain."?
A:
yes