Murphy's Law: If something is likely to go bad, this possibility will become a reality; its scope of application is very broad, and it reveals a unique social and natural phenomenon. According to the above definitions, which of the following is the following that does not belong to Murphy's Law? ['The weather forecast is rainy, but the umbrellas that can be brought are not useful.', 'It is difficult to find pairs of socks in drawers that are not placed in pairs.', 'When you line up to buy tickets, the team next to you always progress faster than the one you lined up.', 'A collapsed floor caused the entire building to collapse during the fire.']