Premise:
"Theoretically there should be a frontier hut, but there isn't a single customs official and the border has been unguarded for over 300 years."
Hypothesis: There is thorough border patrol and guarding.

no

Premise:
"um yeah mostly i mean at home i predominantly wear sweatpants and things like that also"
Hypothesis: At home I wear things like sweatpants.

yes

Premise:
"The shogunate bowed to the pressure and agreed to accept American diplomat Townsend Harris, who established the first US consulate at Gyokusenji temple in Shimoda in 1856."
Hypothesis: In the mid-19th century, the first US consulate was set up in Shimoda.
yes