S→ as | AB | B A → abA | ab В — B| ba Using top-down parsing, find the leftmost derivation in the grammar given above for the word aababba. Please write your answer in an explanatory way like step by...

Extracted text: S→ as | AB | B A → abA | ab В — B| ba Using top-down parsing, find the leftmost derivation in the grammar given above for the word aababba. Please write your answer in an explanatory way like step by step parsing. You can number branches of the parsing tree and can use a paper in landscape (horizontal) orientation while drawing the parsing tree.