How similar are these two sentences, on a scale from 0-5 (0 is "not similar" and 5 is "very similar")?

Al-Qaida says it captures 70 Yemeni soldiers in Abyan's battle
Al Qaeda clashes, blasts kill 35 soldiers in Yemen

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