Question

We are planting a vegetable garden have you heard of victory gardens? right behind our school.

Which is the best way to revise this sentence?


We’re planting a vegetable garden—have you heard of victory gardens?—right behind our school.
We’re planting a vegetable garden—have you heard of victory gardens?, right behind our school.
We’re planting a vegetable garden. [Have you heard of victory gardens?] Right behind our school.
We’re planting a vegetable garden, have you heard of victory gardens? right behind our school.