Answer.
Si/No, Comi en un resturante antes de la fiesta.
Explanation:
I don't know what he did before the party, so you answer either yes or no (si/no)
so
yes/no i did/didnt eat at a resturant before the party.
True I think but good luck
Puedo it might be that one
The balance poem by Euler Granda that verse to which verse goes each part