What is the relationship of the second sentence below to the first?
"Those teens that try to do it all may find themselves exhausted and prone to illness.
A recent newspaper story described a girl who became ill as a result of aiming for
good grades, playing on two school sports teams, and working thirty hours a week."
The second sentence
a) helps explain the first.
Ob) expresses a similarity to the first.
Oc) is an example of the first.
d) contrasts with the first.