Premise:
"Because several poems in Birthday Letters are explicit rewrites of Plath's poems, critics have decided to take up this question."
Hypothesis: Critics have decided to analyze the poetic of Sylvia Plath..

no

Premise:
"Calendar of Events"
Hypothesis: Events Calendar.

yes

Premise:
"This geography is important in understanding Dublin."
Hypothesis: To understand Dublin, the geography must be noted.
yes