Premise: If the riders' clothing and horse furnishings were colorful, the horses themselves were equally striking.

Hypothesis: The animals were quite something to look at.
Answer: yes

Premise: Akin to corroboration and an essential methodological feature of case studies.

Hypothesis: It produces very useful results.
Answer: it is not possible to tell

Premise: I agree with you about book-reviewing.

Hypothesis: I agree with all your opinions on books.
Answer: it is not possible to tell

Premise: VARIANCE - (1) The amount, rate, extent, or degree of change, or the divergence from a desired characteristic or state.

Hypothesis: Variance is never used to measure divergence.
Answer: no