Premise:
"The two sets of estimates depicted in this table reflect alternative assumptions and analytical approaches regarding quantifying and evaluating the effects of airborne particles on public health."
Hypothesis: The estimates are based on years of research conducted by graduate students.

it is not possible to tell

Premise:
"Maybe out of shame the infant began to curl up with his legs touching his chin."
Hypothesis: The infant curled up and cried.

it is not possible to tell

Premise:
"A street map is a must."
Hypothesis: You need a street map to find the shopping districts.
it is not possible to tell