Premise:
"whether my coworker is on drugs or not has does not have an influence on my safe well-being"
Hypothesis: My safe well-being is not affect by my coworkers' drug issues.

yes

Premise:
"i i don't know i really don't know anyone from Texas or anything"
Hypothesis: I don't think I know anyone from Texas.

it is not possible to tell

Premise:
"'Quickly!' I was constantly told."
Hypothesis: I was persistently rushed.
yes