See the multi-choice question below:

Sentence 1: 26For more information about the differences between income and consumption taxes and the current tax treatment of saving and investment, see Tax Potential Impact of Alternative Taxes on Taxpayers and Administrators (GAO/GGD-98-37, January 14, 1998), pp. 55-77.

Sentence 2: The "Of Mice and Men" novel explains more about the differences between income and consumption taxes.

If the first sentence is true, then is the second sentence true?
Available options:
+ yes;
+ it is not possible to tell;
+ no;
no