"If you put a large red door on a roundabout, there are a large number of people who are so wrapped up in their world that they simply don't see it.
Source: https://www.bbc.com/news/uk-england-27884890
- Grammatically, does "who" refer to "a number of people" or does it refer to just "people"?
- Is the object of "of" "people who are so wrapped up in their world that they simply don't see it"?