In Raul's dream, he flew out the window of his car and up into the clouds. Raul's therapist interprets this dream to mean that Raul is feeling a strong need to be free "as a bird" rather than being tied down by his family and work responsibilities.

This therapist's interpretation of Raul's dream is revealing which type of dream content?

a. NREM
b. lucid
c. manifest
d. latent