Argument:
video games are harmful to the health of people's joints and bones.
evidence:
a study of 257 students revealed the following:
i. serious student gamers did not get enough sleep.
ii. students experienced finger and wrist pain after using gaming devices.
iii. the longer the students played games, the more their pain increased.
iv. repetitive stress injuries were seen in 6 percent of the students studied.
based on kendra's argument and outline, which evidence is off topic and should be removed?
a. i
b. ii
c. iii
d. iv