Observations: 2
Variables: 4
$ a  <list> [["b", "Bob", 36], ["c", "Charlie", 30]]
$ e  <list> [["b", "c", "follow"], ["c", "b", "follow"]]
$ b  <list> [["c", "Charlie", 30], ["b", "Bob", 36]]
$ e2 <list> [["c", "b", "follow"], ["b", "c", "follow"]]
