Premise:
"There's a lot of interesting economics in that question, and if I manage to sort it out, I'll let you know."
Hypothesis: That question is baffling but I do hope I can answer it in the future.

yes

Premise:
"His Flemish contemporary Hugo van der Goes is more down-to-earth in the realism of his huge triptych Adoration of the Shepherds (1478), which influenced Florentine painters like Ghirlandaio."
Hypothesis: Hugo van der Goes prefers to depict scenes in a realistic way.

yes

Premise:
"In spring, the little rivers are hidden beneath trellises of blazing bougainvillea."
Hypothesis: One can hear the rivers but not see them in the spring.
it is not possible to tell