# A tibble: 7 x 4
  id    name      age distances 
  <chr> <chr>   <int> <list>    
1 a     Alice      34 <list [2]>
2 b     Bob        36 <list [0]>
3 c     Charlie    30 <list [0]>
4 d     David      29 <list [2]>
5 e     Esther     32 <list [2]>
6 f     Fanny      36 <list [0]>
7 g     Gabby      60 <list [0]>
