[Well, technically Wander never said that they had to guess correctly. He believed all participants should get something for their efforts, correct or not, just to share in the fun.

He took the cup and stored it away from the samples.]

Ooh, sounds hot. [He wiggled his eyebrows before returning to his facade as a fancy waiter.]

A scintillating supposition, madam! For your participation, might we tempt you with a tasty treat from Miss Orihime?