Which stem is found in the sentence 06?

For Valentine’s Day, my boyfriend gave me a cordiform box of chocolates. In the heart, it was filled with slips of paper that told me what he loved about me.

Responses

aud
aud

cor / cour
cor / cour

fic / fac / fect
fic / fac / fect

trans
trans

vis / vid

cor / cour