Which sentence is most important to include in a summary of this story?

Question

Joey could not convince his parents to believe that he was unable to see human faces.
Joey could not see human faces until he saw a magician's face on a magic show ticket.
Joey suspected the magician's dramatic entrance was accomplished through a trap door.
Joey spent his Wednesdays observing fellow customers from the corner of a coffee shop.

Answer 1

Joey could not see human faces until he saw a magician's face on a magic show ticket.