Premise:
"Just a thought."
Hypothesis: A practical idea to be implemented.

no

Premise:
"All my answers have Peter Lorre accents."
Hypothesis: Peter Lorre's accent was similar to a Scottish accent.

it is not possible to tell

Premise:
"Critics marvel at his knack for arriving at murder scenes before the police."
Hypothesis: He has a habit of showing up to crime scenes before the police.
yes