The text boxes below have been placed in a random order. Reorder the paragraphs.

(A) All guests bring a used T-shirt that they slept in the night before.

(B) Other guests smell the shirts and if they like what they smell, they have a chance to meet the shirt’s owner.

(C) Scientists have been researching pheromones for years, but recently some people have started to hold pheromone parties in Los Angeles and New York. The rule is simple to come for the party.

(D) T-shirts are separated into plastic bags with numbers.