Premise:
"In spite of his below-the-border dress and his coloring, he was unmistakably Anglo, just as the man looping both horses' reins to the rack was Mexican."
Hypothesis: Given all the details, he was definitely Antonio.

no

Premise:
"No, said Gauve."
Hypothesis: Gauve did not want any.

it is not possible to tell

Premise:
"The governor claimed his wife low-balled only because she was embarrassed to confess to him how much she'd blown on clothes and jewelry."
Hypothesis: The governor had no explanation for his wife's actions.
no