Premise:
"well i'm an ESL teacher yes i got my certification but actually they did not teach us very many things"
Hypothesis: They didn't teach us ESL teachers much when we got our certification.

yes

Premise:
"Dad planted it in my birthday cake on a makeshift flagstaff."
Hypothesis: Dad baked my birthday cake himself so we knew it was coming.

it is not possible to tell

Premise:
"Outwardly, he's an ordinary clean-limbed, rather blockheaded young Englishman."
Hypothesis: He's ordinary but still blockheaded.
yes