Premise:
"This is usually accompanied by the laouto, a variation of the mandolin; the askomantoura, Cretan bagpipes; and the habioli, the shepherd's flute."
Hypothesis: The shepherd's flute is popular because it is the easiest to learn.

it is not possible to tell

Premise:
"'How're you doing?'"
Hypothesis: How's it going?

yes

Premise:
"Travel south from Chios Town to reach the mastic groves."
Hypothesis: The mastic groves are found north of Chios Town.
no