Premise:
"Bob's mood has improved."
Hypothesis: Bob's mood is getting better, said his sister.

it is not possible to tell

Premise:
"yeah it it's going to leak into our water and then we're going to have problems with our water and then it's going to cause health problems and so there is a long-term"
Hypothesis: It's going to drain into our water and cause health issues.

yes

Premise:
"It provides assurance that we have not prematurely overlooked important factors, that we have not been swayed by information from limited or perhaps biased sources, and that we have taken context into account, thus giving a fair and balanced picture of the situation."
Hypothesis: This oversight has been in place for several years.
it is not possible to tell