Group I lists a few devices while Group II provides information

Group I lists a few devices while Group II provides information about their uses. Match the devices with their corresponding use.

Group I	Group II
P. Anemometer	1. Capillary potential of soil water
Q. Hygrometer	2. Fluid velocity at a specific point in the flow stream
R. Pitot Tube	3. Water vapour content of air
S. Tensiometer	4. Wind speed

1. P - 1; Q - 2; R - 3; S - 4
2. P - 2; Q - 1; R - 4; S - 3
3. P - 4; Q - 2; R - 1; S - 3
4. P - 4; Q - 3; R - 2; S - 1