Please choose the correct solution to the question: Is there a natural way to repel mosquitoes without using chemical sprays?

Solution1: A study in the 1960s showed that mosquitoes think vitamin B1 makes a person stink, and will avoid alighting (and therefore biting ) such a person. Taking extra B1 during mosquito season may make your life a whole lot more pleasant.

Solution2: Study shows Vitamins can make you avoidably stinky.

Answer format: solution1/solution2
Answer: solution1