GRAPH_VERTICES: Alice, Bob, Charlie, Elise
GRAPH_EDGE: Alice, Bob, 1
GRAPH_EDGE: Alice, Charlie, 1
GRAPH_EDGE: Alice, Elise, 2
GRAPH_EDGE: Bob, Charlie, 1
GRAPH_EDGE: Charlie, Elise, 1
---ORIENTATIONS---
ORIENTED: Alice, Bob
ORIENTED: Alice, Elise
ORIENTED: Bob, Charlie
ORIENTED: Charlie, Elise 