Premise:
"good morning"
Hypothesis: Good night.

no

Premise:
"There was a wild-rose quality about her face."
Hypothesis: Her cheeks blushed with embarrassment.

it is not possible to tell

Premise:
"Under the Alternative Estimate, the number of avoided cases of chronic bronchitis, hospital and ER visits, and minor respiratory illnesses and symptoms is the same as the Base."
Hypothesis: Under the Alternative Estimates, the cost of respiratory illnesses is tallied.
it is not possible to tell