CLUES:
1. It is a closed figure with four straight lines.
2. It has two long sides and two short sides.
3. It has a right angle.
4. The two long sides are parallel.
5. It has two right angles.
6. The two long sides are not the same length.
7. The two short sides are not the same length.
8. The two short sides are not parallel.
9. The two long sides make right angles with one of the short sides.
10. It has only two right angles.