Draw the following graphs:

1.
Undirected, adjacency list

A: B C
B: A C
C: A B

2.
Directed, adjacency list
A: D
B: D E
C: D B
D: A B C D E
E: B C
			  
3.
Directed, adjacency matrix
  A B C
A 1 0 0
B 0 0 1
C 0 1 0