Premise:
"but it's like it's English but it's not the same English they speak today"
Hypothesis: The English is not that easy to understand.

it is not possible to tell

Premise:
"Dayak Bidayuh and Iban get together for round after round of palm toddy, rice wine, and other jollities."
Hypothesis: Dayak Bidayuah and Iban get together.

yes

Premise:
"Amidst all this, Jack Lord and his hair died."
Hypothesis: Jack died amidst it all.
yes