Premise:
"yeah it's it's marked up"
Hypothesis: It's completely bare.

no

Premise:
"The main reason I only bought one or two was I knew that after playing them I would generally be stuck with them."
Hypothesis: I believed that I would be stuck with them after using them.

yes

Premise:
"One could argue that many mailers are getting First-Class service at Standard-A rates."
Hypothesis: The mailers are only getting what they are paying for.
no