A graph GGG has 3 vertices {A,B,C}\{A, B, C\}{A,B,C} and edges {(A,B),(B,C)}\{(A,B), (B,C)\}{(A,B),(B,C)}. Is this graph a tree?
Yes, it is a connected acyclic graph
No, it has cycles
No, it is disconnected
Yes, but only if AAA connects to CCC