I'd say
1. Alonzo went to the music festival
2. Carmen went to the same music festival
3. Alonzo met Carmen at the music festival
(if that doesn't sound right it's probably the food ad thingy)
Probability sampling is a sampling technique, in which the subjects of the population get an equal opportunity to be selected as a representative sample. Nonprobability sampling is a method of sampling wherein, it is not known that which individual from the population will be selected as a sample.
Hope it’s right
Best luck with your studying