How do I solve 4 down in Times Cryptic 29548?

Question

Accepted Answer

4 down reads "Ménage à trois potentially upset hotel in Paris" (12 letters); the answer is RELATIONSHIP. It's an anagram clue: the answer is a rearrangement of letters supplied by the clue itself. Look for an indicator like 'mixed', 'broken', 'cooked', or 'wild', and find a phrase whose letters add up to the answer's length. The full step-by-step breakdown is on this page.

Ménage à trois potentially upset hotel in Paris (12)

4D — Ménage à trois potentially upset hotel in Paris (12) — RELATIONSHIP