A man in a blue jumpsuit and red helmet is climbing up a ladder and another man is watching him .
The man in a jumpsuit is riding a bike .
A man in a blue jumpsuit and red helmet is climbing up a ladder and another man is watching him.
The man in a jumpsuit is riding a bike.
He cannot be riding a bike if they are climbing up a ladder.
He can not be riding a bike if they are climbing up a ladder .