Babulal runs a juice corner outside a park and sells giloy juice (giloy + water) in the morning. Initially he bad 19 litres juice, which had giloy and water in the ratio 2 : 9. He sold $$2\frac{1}{2}$$ litres juice. Later, in order to dilute it, he added some water and the ratio of giloy and water became 1 : 5. How much water was added?

A

$$1\frac{1}{2}$$ litres

B

$$\frac{1}{2}$$ litres

C

2 litres

D

1 litres