I dont understand what your asking about
1. Marisol dice que Jorge está contento.
2. Yo digo que la clase es interesante.
3. Nosotros decimos que la casa es bonita.
4. Tú dices que la comida es buena.
5. Marisol y Jorge dicen que Cartagena es grande.
To look at the gimnasio (gym)
The other answers are about talking to someone. In this case what is his idea for (finding) William.
Answer: to look at the gimnasio
Hope it helped