Read the following article and answer the question by choosing from the options.

Just graduated high schooll ! ! and finally have the summer off for the first time . No summer job and no summer school . I just lay around the house and hang out with my friends .

What was John 's attitude after he graduated high school ?
Available options:
[I] John had always been the shy type , so he did n't spend much time with his friends after he graduated .
[II] John felt a heavy sense of responsibility , so he focused on working and summer school that would prepare him for college .
[III] John thought he worked hard enough in high school , so now it was time to play hard .
[IV] None of the above choices ....A:
[III]