See the multi-choice question below:

Sentence 1: The remaining costs are institutional costs that are primarily driven by the size of the network.

Sentence 2: The remaining costs are institutional ones that are driven by the investors' desire.

If the first sentence is true, then is the second sentence true?
Available choices:
[i] yes;
[ii] it is not possible to tell;
[iii] no;
[iii]