$15$ pts$.]$: $[$The depth$-$first search tree$]$ Solve Problem $7\mathrm{.}4$a from the Baase$$s textbook $($page

$376).$

Find the depth$-$first search tree for the graph used in Example $7\mathrm{.}6($see Figure $7\mathrm{.}28,$ below$)$

with G as the starting vertex under the assumption about the adjacency$-$list order:

a$.$ Each adjacency list is in alphabetical order