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

Mumbai photojournalist gangrape case cracked, five accused arrested
Mumbai journalist gang-rape case: All five accused arrested

OPTIONS:
 A). 0.
 B). 1.
 C). 2.
 D). 3.
 E). 4.
 F). 5.
F).