Refer to the given flow chart.
Identify P, Q, R and S and select the correct option.
P | Q | R | S | |
---|---|---|---|---|
A | Oyster | Turtle | Pigeon | Grasshopper |
B | Tortoise | Clam | Butterfly | Sparrow |
C | Oyster | Tortoise | Mosquito | Housefly |
D | Snail | Turtle | Robin | Stork |