Thank you, Wendy.

Hello France, re-reading the text, I realised that this needs to read: 'it'll' instead of 'they'll'
Nicolas – Please, do eat your crayfish, it’ll go cold.
(referring to 'crayfish' in general, because we don't actually know how many are on her plate and it will then fit with unit 452 where Stephane says - 'I wouldn't know, I've never eaten it'