Given the task definition, example input & output, solve the new input case.
In this task, you're given a context passage. Your job is to generate relevant questions that can be answered by directly referring to the passage.
Example: Tracy slept awkwardly on their new bed and was having some pain, so Tracy cracked her neck.
Output: What did Tracy do with her neck?
The question asked is relevant and can be directly answered by referring to the phrase "so Tracy cracked her neck" from the passage.

New input case for you: If you really want to eat something like lettuce , it has to be washed first in a diluted bleach solution , which in Bolivia at least can be brought in most supermarkets and pharmacies . Lettuce in particular is mostly made of water , so its always going to be risky , plus those little leafy bits are perfect for harbouring bacteria . Most people just avoid lettuce and other fresh non - peelable veg altogether . 5 ) Meat and dairy .
Output:
Why does lettuce have to be washed first in a diluted bleach solution ?