Premise & hypothesis: Is the premise "Girl working on laptop in a coffee shop" true if "Girl sitting in a coffee shop."?
A: yes

Premise & hypothesis: Is the premise "A young girl in an orange bathing suit is about to splash into a pool." true if "A girl prepares to enter a pool."?
A: yes

Premise & hypothesis: Is the premise "An older looking woman is taking notes in a lecture hall at a university, with younger looking students in the background." true if "The older student has returned to finish her college education."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "An aspirin added to the water would preserve the flowers." true if "Adding medicine to the water would help the flowers."?
A:
yes