Seven boxes, $\text{C, H, A, I, R, E}$ and $\text{D}, are kept one over the other but not necessarily in the same order.
Only $\text{H}$ is kept above $\text{R}$. Only two boxes are kept between $\text{R}$ and $\text{E}$. Only $\text{A}$ is kept below $\text{I}$. $\text{D}$ is not kept immediately above $\text{E}$.
How many boxes are kept between $\text{C}$ and $\text{A}$?
- Four
- Two
- Three
- One
