kittens (x)
Were there any kittens? No, there weren't.
robot/ Was / a /there? (x)
Was there a robot? No, there wasn't.
castle (x)
Was there a castle? No, there wasn't.
cake / was / a/ there / ?
Was there a cake?
ladder (✔️)
Was there a ladder? Yes, there was.
Was / a dragon / there / ?
Was there a dragon?
students (✔️)
Were there any students? Yes, there were.
many/ there / Were / legos / ?
Were there many legos?