Cory stopped at his favorite drive-thru restaurant after a late night of studying and ordered his favorite sandwich. in the middle of the night he awoke with stomach pains. about two weeks later, cory was waiting in line at the same restaurant when he began to feel nauseated. this is an example of:

The scenario above is an example of conditioned stimulus of which is activated or triggered when someone or a particular thing is exposed to an unconditioned stimulus in order for the conditioned response to be triggered—this is called the conditioned stimulus. 

i bought a new phone

explanation:

i will send you the money when i get back from lunch