A:I'm exhausted. My new exercise is so hard.
B:I think it is easy.I could work in your calss with no problem.
A:You thing so?
B:Oh, without doubt.When is the next calss?
A:Tomorrw morning.Try it.
B:No problem.
A:Are you going to this calss this morning?
B:Of course,easy.No sweat.
A:You're no able to move after this class.
B:Are you kidding me?It's going to be up a piece of cake.
A:You want to bet?
B:Yeah,what't the bet?
A:I bet I can go one hour in your class this morning and not feel a thing.