Premise: Its frescoes are attributed to Perugino.

Hypothesis: The many frescoes were wrongly attributed until recently.
Answer: it is not possible to tell

Premise: it really is mine's eleven and eight

Hypothesis: Mine used to be ten and seven.
Answer: it is not possible to tell

Premise: Predictably, IGRA has come under fire from all directions.

Hypothesis: IGRA has been criticized.
Answer: yes

Premise: It has been most demoralizing, a British emissary to a U.S. company wrote his bosses in the late 1890s.

Hypothesis: It was in 2000.
Answer: no