Gao ate a fruit graham cake instead of cheese cake because the
OPTIONS:
- fruit Graham Cake is store- bought and will go bad slowly.
- cheese cake is store- bought and will go bad slowly.
cheese cake is store- bought and will go bad slowly.

The posters were able to be noticed much more than the signs, because the
OPTIONS:
- posters were slightly hidden.
- signs were slightly hidden.
signs were slightly hidden.

Nick has a badly dislocated shoulder and asks for Robert's help, because
OPTIONS:
- Nick is doctor.
- Robert is doctor.
Robert is doctor.