Premise:
"and they've got their electrical hookups so it's not so bad"
Hypothesis: It's not bad because they have their electrical hookups.

yes

Premise:
"Raj Ghat, the simple memorial to Mahatma Gandhi overlooking the Yamuna river, is far in spirit from the Mughals but an integral part of Old Delhi."
Hypothesis: Mahatma Gandhi has other memorials spread throughout the country.

it is not possible to tell

Premise:
"She smiled and nodded at him."
Hypothesis: A smile came across her face as she nodded.
yes