Which of the following sets of edges represent subgraphs of the graph that are spanning trees? (Select all that apply.)(la, c3, (a, fj, (b, c}, (c, d}, (c, g}, {d, el}(la, b3, (b, c), (a, f], (c, d3, (d, e3, ff, g]}((a, c}, (a, f], (b, e3, (b, fi, (d, f3, it, gli{{a, b}, {a, c3, (a, di}(fa, b}, (a, c), (a, f}, (b, f3, (d, e3, (f, g]]

Q15C. Consider the graph with the following vertices and edges: V = {a, b, c, d, e, f, g} E = {{a, b}, {a, c], {a, d], {a, f}, {b, c], {b, e], {b, f}, {c, d), {c, g], {d, e], {d, f}, {f, g}} d b e a Which of the following sets of edges represent subgraphs of the graph that are spanning trees? (Select all that apply.)