Answer
A,B,C,D,F
A,C,D,F
Work Step by Step
A path is a sequence of adjacent vertices. Two vertices are adjacent if there is an edge which connects the two vertices.
From vertex A, a path can go to vertex B, then to vertex C, then to vertex D, and then to vertex F. This path is A,B,C,D,F.
From vertex A, a path can go to vertex C, then to vertex D, and then to vertex F. This path is A,C,D,F.