Read the following context and choose the best option to answer the question.
Context: My wife always complains about the smell in the hot tub and I often find myself scooping out hand fulls of water and doing the sniff test . She also complains about the smell of our bathing suit and my daughter 's hair when she climbs out of the spa . So , I kept turning up the bromine on the frogger but it got worse . That was until I figured out the smell she hated was the bromine .
Question: What may be the main plausible reason for the frequent complain from the wife ?
Options: 
- The smell of bromine which is frequently added to the frogger
 - None of the above choices .
 - The husband not perfoming the sniff test
 - The smell of their bathing suit


The smell of bromine which is frequently added to the frogger