Premise:
"yeah different ethnic groups"
Hypothesis: No, they are the same ethnicity.

no

Premise:
"Unlike the other villager, the bald man did not wait for an attack."
Hypothesis: The bald man waited for an attack.

no

Premise:
"oh see i've never grown strawberries"
Hypothesis: I have never tried growing strawberries but I really want to.
it is not possible to tell