A man in a black wetsuit surfing.
a man surfing
A woman knitting a quilt
A man in shirt play guitar to a woman in a white shirt.
There has never once been a random event that has occurred spontaneously. Someone, made sure it happened.
the children are watching tv
What age group of children do you babysit.?
a man in a blue shirt
If i =/ j, then it is the own-price elasticity of demand