Context: I could n't think for the life of me what this stuff could be . But I started grabbing clothes and shaking them outside to rid them of as much mystery substance as possible . I was still wracking my brain when , as I shook out another handful of clothes , a diaper flew out .
Question: What may be the reason why a diaper would be in with clothes ?
Option 0: Because they are messy .
Option 1: Because a diaper somehow got into the laundry to be washed .
Option 2: Because they throw diapers in laundry piles .
Option 3: Because they do n't dispose of diapers properly .
Answer: 1