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What does the term 'grammar ambiguity' refer to?

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Question: What does the term \'grammar ambiguity\' refer to?

Options:

  1. Multiple valid parse trees for a single input
  2. The inability to parse a string
  3. A grammar that cannot be expressed in BNF
  4. A grammar with too many productions

Correct Answer: Multiple valid parse trees for a single input

Solution: 

Grammar ambiguity refers to the situation where multiple valid parse trees can be generated for a single input string.

What does the term 'grammar ambiguity' refer to?

Practice Questions

Q1
What does the term 'grammar ambiguity' refer to?
  1. Multiple valid parse trees for a single input
  2. The inability to parse a string
  3. A grammar that cannot be expressed in BNF
  4. A grammar with too many productions

Questions & Step-by-Step Solutions

What does the term 'grammar ambiguity' refer to?
  • Step 1: Understand that 'grammar' refers to the rules that define how sentences are structured in a language.
  • Step 2: Know that 'ambiguity' means something can be understood in more than one way.
  • Step 3: Combine these ideas to see that 'grammar ambiguity' happens when a sentence can be interpreted in different ways due to its structure.
  • Step 4: Realize that this means there can be multiple valid ways to break down (or parse) the same sentence.
  • Step 5: For example, the sentence 'I saw the man with the telescope' can mean different things depending on how you understand the phrase 'with the telescope'.
  • Grammar Ambiguity – The phenomenon where a single input string can be interpreted in multiple ways due to its structure.
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