This is a ghost.
Yes
This is a witch.
No
Is this a spider?
Yes
Is this a vampire?
Yes
What's this?
a) It's a bat. b) It's a witch.
What's this?
a) It's a caulderon b) It's a pumpkin
This is a haunted house.
Yes
This is a Jack O Lantern.
Yes
Is this an owl?
No
What's this?
a) It's a black cat b) It's a spider
