Which of the following is not a parse tree of an expression based on the following grammar?

Question

Quizplus · Accepted Answer

The given grammar produces parse trees with the following structure:

1. An expression is either a single number or a binary expression
2. A binary expression has a left operand, an operator, and a right operand

Based on this grammar, options A and B have valid parse trees that follow these rules. However, option C does not follow these rules as it has a single number (4) as the left operand of a binary expression, which is not valid according to the given grammar.

Which of the Following Is Not a Parse Tree of an Expression