.. Telepathy

Talk to the witches. Try to guess the answers to the questions about them.

You should seek if someone can share some gossip about the witches.

Talk to Riwona Wisp, again. She will tell you facts about the judge witches. ( Ask about the contest. Ask about the judges. )

The Green One is a seed collector. She own almost every seed that nature has produced.
The Grey One works secretly as a yoga instructor.
The Orange One is said to have so much free time that she argues with people online.
The Purple One cosplays as every character from Harry Potter.

The Green Witch ( ...to be a collector. )
The Grey Witch ( ...to teach fitness and wellness. )
The Orange Witch ( ...arguing with people online. )
The Purple Witch ( ...cosplaying. )

Say that Cisco will win the contest.

The broom looks like a flat-head screwdriver.

Try it on the token panel.