Question: Could someone help me on this? 7. Given grammar: = A|B|C + | * |( )| a. Please draw the parse tree for sentence arc

Could someone help me on this?

Could someone help me on this? 7. Given grammar: = A|B|C +

7. Given grammar: = A|B|C + | * |()| a. Please draw the parse tree for sentence arc * (a + b) (2 points) b. The given grammar is not ambiguous, but can you do some change to make it ambiguous? Prove the ambiguity (by showing two distinct parse trees for the same sentence). (2 points)

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