Context: When he said it , Sanzo knew that that was right . Somehow , he was remembering something , something important , something vital . Hakkai blinked at him . " What do you mean ? "

Question: What will happen after Sanzo asks " What do you mean " ?
Options:
0. Hakkai would continue to blink his eyes and try to get something out of them .
1. Hakkai would recall the event and tell him what he remembers .
2. Hakkai would laugh at what Sanzo says to him .
3. Hakkai will not understand how to explain the event to Sanzo .
Answer: 1