Premise & hypothesis: Is the premise "A man skis down the hill, spraying snow in the air, ski lifts in the background." true if "A man skis down a hill, spraying snow in the air, ski lifts in the background."?
A: yes

Premise & hypothesis: Is the premise "Folks are in line for tickets at an amusement park." true if "The people are in line for tickets at the movie theater."?
A: no

Premise & hypothesis: Is the premise "People are doing an exercise routine in a park-like setting." true if "they are in a park"?
A: it is not possible to tell

Premise & hypothesis: Is the premise "Man with a striped backpack roller-skating down a busy avenue with other roller-skaters." true if "the man is rollerskating"?
A:
yes