Question: Modify the grammar below to add a new operator: A unary minus operator (-) that has precedence higher than any of *, +, or binary

Modify the grammar below to add a new operator: A unary minus operator (-) that has precedence higher than any of *, +, or binary minus.

Modify the grammar below to add a new operator: A unary minus

The questions in this section are based on the grammar given as the following prog -> assign / expr assign->id -expr expr->expr+term / expr-term / term term ->factor | factor * term factor -> (expr) / id / num id->A | B | C num->o/1/2 /3

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