Select from options: How similar are the following two sentences?

tibet suspects chinese government of creating the virus to spy on tibetan exiles and the dalai lama.
tibet suspects chinese government of launching the attack.

Give the answer on a scale from 0 - 5, where 0 is "not similar at all" and 5 is "means the same thing".

Choices:
 (1). 0.
 (2). 1.
 (3). 2.
 (4). 3.
 (5). 4.
 (6). 5.
(4).