It was exact for lunch time when we got in the place . We pigged out on the cooked adobo that one of us prepared . All my diet for a week was spoiled and decided to continue it the following week . Anyway , we trekked the 142-so - called - therapeutic climb .

Based on the preceding passage, choose your answer for question Why would we call the workout a therapeutic climb ?
OPT: (I). " Therapeutic " is used as a metaphor to describe an arduous process . (II). " Therapeutic " is used as a metaphor to describe an simple process . (III). " Therapeutic " is used as a metaphor to describe an easy process . (IV). " Therapeutic " is used as a metaphor to describe an medical process .
The answer is:
(I).