Answer:
Both sentences should use the word que
Explanation:
This is the case because neither of the sentences have verbs following the qui/que. Qui, when used as a relative pronoun (as in the cases of these sentences) is always followed by a verb. Que, when used as a relative pronoun, is not.
Bonjour
Ils un bain à la plage prendre
= Ils prennent un bain à la plage.
<u>PRENDRE </u><u><em>présent</em></u>
je prends
tu prends
il/elle/on prend
nous prenons
vous prenez
ils/elles prennent
hope this helps ☺☺