On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "Philadelphia building collapses, 8-10 people may be trapped" to the sentence "Philadelphia building collapses; reports of people trapped"?

Choices:
 -- 0.
 -- 1.
 -- 2.
 -- 3.
 -- 4.
 -- 5.
4