Refer to the given flow chart to identify P, Q, R and S and select the correct option.

| P | Q | R | S | |
| A | Ear | Nose | Heart | Leg |
| B | Tongue | Ear | Stomach | Leg |
| C | Eye | Nose | Stomach | Tongue |
| D | Lung | Heart | Brain | Stomach |
Refer to the given flow chart to identify P, Q, R and S and select the correct option.

| P | Q | R | S | |
| A | Ear | Nose | Heart | Leg |
| B | Tongue | Ear | Stomach | Leg |
| C | Eye | Nose | Stomach | Tongue |
| D | Lung | Heart | Brain | Stomach |