## Warning: package 'tibble' was built under R version 3.6.3
t <- tribble(
~set1, ~set2, ~set3,
1, 1, 0,
0, 0, 1,
0, 1, 1,
0, 0, 1,
0, 0, 1,
0, 1, 1,
1, 0, 1,
0, 1, 1,
0, 0, 1,
0, 0, 1,
1, 1, 1,
1, 0, 0,
0, 0, 1,
0, 1, 0,
1, 1, 1,
0, 1, 0,
0, 1, 1,
0, 1, 0,
0, 0, 1,
0, 0, 1
)