Rate the similarity of the following two sentences on a scale from 0 to 5, where 0 is "no meaning overlap" and 5 is "means the same thing"?

Iran's Parliament Questions A Dismissive Ahmadinejad
Iran's parliament questions President Ahmadinejad

Options are:
[1]. 0.
[2]. 1.
[3]. 2.
[4]. 3.
[5]. 4.
[6]. 5.
[5].