An head shake is a(n) (Blank) non-manual marker, while a head nod is a(n) (Blank) non-manual marker.

(2 points)

O affirmative, negative
O negative, affirmative
O sad, happy
O happy, sad

O affirmative, negative

An head shake is a(n) affirmative non-manual marker, while a head nod is a(n) negative non-manual marker.

A head shake is a negative non-manual marker, while a head nod is an affirmative non-manual marker.