The next sentence: La comida a partir de la una.
The gentleman explaining it to you says there will be something to laugh about today (la), because the waiter is wearing clothes with a funny hedgehog on them that keeps eating dates (comida).
On the other side of the room a couple is sitting with their animal, which keeps stretching (a partir de). Suddenly the animal starts laughing, because it has spotted a dessert under the next table (la una).