See the multi-choice question below:

Sentence 1: For all resources needed for installation, it is assumed that these resources are required over a 31-month period prior to 2005 and a three-year period prior to 2010, 2015, and 2020.

Sentence 2: We assume that the resources are required for installation.

If the first sentence is true, then is the second sentence true?
Choose from:
(I) yes.
(II) it is not possible to tell.
(III) no.
(I)