def get_correlation_triangles(graph: BELGraph) -> SetOfNodeTriples:
return {<EOL>tuple(sorted([n, u, v], key=str))<EOL>for n in graph<EOL>for u, v in itt.combinations(graph[n], <NUM_LIT:2>)<EOL>if graph.has_edge(u, v)<EOL>}<EOL>
Return a set of all triangles pointed by the given node.