Assertion (A): The combustion of 16 g of methane gives 18 g of water.
Reason (R): In the combustion of methane, water is one of the products.
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.