Lilo & Stitch C1 Grammar Quest

Identify the correct sentence featuring a non-defining relative clause with a preposition:

• The spaceship which Lilo hides in is extremely cramped.
• The spaceship, in which Lilo hides, is extremely cramped.
• The spaceship, which in Lilo hides, is extremely cramped.
• The spaceship that Lilo hides inside, is extremely cramped.

Explanation

In a non-defining relative clause, we set extra information off with commas. When using which with a preposition, place the preposition before which: in which.