The cocktail party

I made this for my students to revise child language - due to a clerical error, you have a chance to attend a cocktail party at an academic conference.
Will you impress with your sparkling conversation or just eat a lot of canapés?

* Should work on phones. You might have to go full-screen to see some options in later text-heavy bits. Please do comment if anything doesn't work so I can fix it..