Premise:
"Across the river Authie and a few minutes' drive east is the 18th-century Abbaye de Valloires, whose huge gardens display more than 5,000 species and varieties of plants, many from China and Japan, including a large collection of old-fashioned and wild rose, presented in a number of formal and informal settings."
Hypothesis: There are 1,000 species of plants from Japan at the Abbaye de Valloires.

it is not possible to tell

Premise:
"well what do you think about Nolan Ryan being the first baseball player to earn a million dollars that's the only thing i found out tonight"
Hypothesis: The first baseball player to receive a million is dollars was Nolan Ryan.

yes

Premise:
"If that should happen or if our enemies use this, we could be trapped."
Hypothesis: We might lose if our enemies know of this tactic.
yes