Premise:
"because that's the lowest thing for themselves plus there's nobody for them to look up to"
Hypothesis: There's no role model in their house

it is not possible to tell

Premise:
"Where everybody sneezes once or twice, I always sneeze at least five or six times--sometimes more."
Hypothesis: I never sneeze.

no

Premise:
"Even this was Lentauw and Yamasami, Zulu tribesmen, entered the marathon because they happened to be in St. Louis as part of an exhibit about the Boer war."
Hypothesis: The Zulu tribesmen entered the marathon in St. Louis.
yes