Fill in the blanks:
(i) The opposite sides of a parallelogram are __P__ and __Q__.
(ii) A quadrilateral having only one pair of opposite sides parallel is called a __R__.
(iii) A parallelogram having all the sides equal is called a __S__.
| P | Q | R | S | |
|---|---|---|---|---|
| A | Equal | Parallel | Rectangle | Rhombus |
| B | Equal | Non-parallel | Trapezium | Kite |
| C | Equal | Parallel | Trapezium | Rhombus |
| D | Equal | Parallel | Trapezium | Kite |
I did not understand this question. Please explain the question and the solving process.