For a coin or two, I'll try to read your mind.
Think of a very common word (Cat, Dog, Bread, Monkey, Potato, Hair, House, Toothbrush, Money, Glasses, A Book, A Car...), and we'll play 20 Questions. You can answer with "Yes, No, Sometimes, Irrelevant, Unknown, Probably or Doubtful"
For example: Q1. Is it classified as Animal, Vegetable, Mineral, Other or Unknown?Animal
Q2. Does it have short fur? Yes.
Q3. Is it gray? Sometimes.
Q4. Can it growl? Probably.
Q20. Is it a cat?Yes!