Final answer:
The person to catch the bouquet is believed to be the next one to get married.
Step-by-step explanation:
Traditionally, when Phyllis throws the flower bouquet at her wedding reception, the person to catch the bouquet is believed to be the next one to get married. This is a common superstition in many Western cultures. The idea is that the bouquet brings good luck in finding a romantic partner, so whoever catches it is said to be the next to wed.