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

Bomb blast rocks shopping mall in Nigeria, 12 killed
Bomb blasts before Indian opposition rally kill 4

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

Options: (1). 0; (2). 1; (3). 2; (4). 3; (5). 4; (6). 5;
(2).