It would be "Diana prefiere que nosotros tragamos la comida para las vacaciones" because you have to conjugate the verb "tragar" for Nosotros, so you would replace the "-AR" ending with "Amos".
Answer: 2. What are incidental sentences for? Give two examples of sentences with incidentals. Is the meaning of the sentence altered if you eliminate them in your examples?
Explantion: i took spanish
They are tired because look closely how they look like they are sweating so they are tired