**Knights**always tell the truth,

**Knaves**alternate telling the truth and lying: e.g. T F T F or F T F T and

**Liars**, of course, always lie.

**Al**and

**Bob**are Knaves. They make the following statements.

You don't know who made which statement, but you know the time sequence is correct.

Edit: Al and Bob each made four statements.

1.

**Chuck**is a liar.

2.

**Dave**is a Knave.

3.

**Elliot**is a Knight.

4.

**Chuck**and

**Dave**are the same type.

5.

**Dave**and

**Elliot**are of different types.

6.

**Chuck**is a Knight.

7.

**Elliot**is a Knave.

8.

**Dave**is a liar.

Identify

**Chuck**,

**Dave**and

**Elliot**as a Knight, Knave or Liar. They might all be of different types, but they needn't be.