Premise:
"The survey data collected were used to estimate a WTP equation for improved visibility."
Hypothesis: Survey data is used to improve visibility in an organization.

it is not possible to tell

Premise:
"Not everyone is deflating however."
Hypothesis: No one is deflating.

no

Premise:
"The city was now under the more tolerant rule of the Persians, but rebuilding was slow work."
Hypothesis: The city was ruled by the Persians who were calmer.
it is not possible to tell