a blond woman kissing the cheek of a brown-haired man.
A man and a woman sharing a kiss on the cheek.
The man and woman are sharing a kiss because one of them is kissing the other person's cheek.
The woman is kissing the man on the cheek, so the man and woman are sharing a kiss.
the man and a woman sharing a kiss on the cheek are blond and brown-haired respectively