The following represents an integer (which may be signed) expressed in a variant of Backus-Naur form: :::=0|1|2|3|4|5|6|7|8|9::=[[-{} are nonterminal symbols Another example is: ScAdAaab In this example, the symbols (a,b,c,d) are terminal symbols and (S,A) are nonterminal symbols. (4 Pts) Given the following example what is the starting symbol and terminals? S(SSaS)SA)ASAASAA Starting Symbol: Terminals: Given the following grammar: SsABAaB> With the input string as "sab", then the Parse Tree is