Premise:
"As before, many of those charming pups will, in two years, grow up into charmless dogs."
Hypothesis: The puppies grow up in a couple of years.

yes

Premise:
"This is a good place to rest and recuperate, and gain a different slant on life in the city; you may come upon the Barge Cafe, which travels up and down the canal, and serves breakfast and brown-bag lunches."
Hypothesis: The Barge Cafe is normally only frequented by locals.

it is not possible to tell

Premise:
"Programs develop more opportunities for staff to understand the discriminatory impact on clients that can result from public policies."
Hypothesis: Programs develop opportunities to help understand the impact of discrimination.
yes