Premise:
"The comparison came as no surprise to the architects, Italy's Renzo Piano and Britain's Richard Rogers, who deliberately left the building's service systems visible and color-coded."
Hypothesis: They camouflaged the building's service systems.

no

Premise:
"April and May, with a wild profusion of flowers, are the best months."
Hypothesis: You can see many flowers in the Spring.

yes

Premise:
"To the orrery! he ordered."
Hypothesis: They ordered him to go to the library.
no