Answer.which
Explanation. Who, which, when, why, whom, what, that, as, whose ithokke relative pronouns aanu. Athil who whom whose person ne relate cheiyanum which and that things ne relate cheiyanum aanu use cheiyunnath. Novel ennathu oru vasthu aayathu kondu which or that use cheiyam. Which nu pakaram optionil that undel athum answer aanu randum kude optionil tharilla

Dash nu mumbil oru vashtu anemkil which/that upayogikam ivde that illa so which is the correct

Isn't the answer - which