Premise: The 2019 FIFA U-20 World Cup will be the 22nd edition of the FIFA U-20 World Cup, the biennial international men's youth football championship contested by the under-20 national teams of the member associations of FIFA, since its inception in 1977 as the FIFA World Youth Championship.
Hypothesis: No 19-year-olds will be present at the 2019 FIFA U-20 World Cup.