Answer:
habrá decidido
Step-by-step explanation:
El señor García habrá decidido qué comida típica de Colombia va a ordenar.
Translation
Mr. García will have decided what typical Colombian food he is going to order.
It is used "habrá decidido" in which the verb "decidir" (decide in infinity) is conjugated in a time of perfect future in Spanish, belonging to the third person singular "el" (he).