Whats the relationship?

Question

sentiment:belief::

Answer 1

I would say synonyms, but where
sentiment is a type/form of belief
to a smaller "degree" than the other

sentiment is what you feel, but implies it is more subtle
belief implies what you believe strongly, to a greater degree

Possible answers may be
sentiment : belief : : notion : principle
sentiment : belief : : opinion : conviction

If you look at your possible choices, it may give you a clue.
Sometimes you cannot tell until you see the structure of the possible answers.

Answer 2

Synonyms with sentiment being milder than belief, sort of like

hot:torrid

Answer 3

good ??????????????