Premise:
"well they say that those are easy to find or difficult to find"
Hypothesis: They are really common.

it is not possible to tell

Premise:
"you know good a good chief executive would be able to sit back and not do anything"
Hypothesis: Good chief executives can take a hands-off approach.

yes

Premise:
"Only Fenner an' some of the train guards ridin' in spoiled their game." "
Hypothesis: Some of the train guards riding in and Fenner were the only ones who spoiled their game.
yes