When to use the former and when to use the later? And why?


You never eat the bell peppers of your lunch boxes.

You never eat the bell peppers in your lunch boxes.

  • Why do you think both are OK? When would you use one or the other? May 16 '17 at 7:56

The outside of the lunch box is pink.

The food wraps in the lunch box are vegetarian.

  • I think that's a lunch box bag?
    – alex
    May 16 '17 at 10:25
  • Both would be considered to be lunch boxes, even though the Hello Kitty lunch box has a cloth exterior, it has sold sides.
    – Peter
    May 16 '17 at 10:44

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