Please choose the correct solution to the question: How to make overnight oats?

Solution1: In a mason jar, add in oats, fruit and then pour over cold milk and place the jar with the lid off in the freezer overnight, in the morning you can shake the jar and eat the oats

Solution2: In a mason jar, add in oats, fruit and then pour over cold milk and place the jar with the lid on in the fridge overnight, in the morning you can shake the jar and eat the oats

Answer format: solution1/solution2