Question

Which of the following are distinct to parse trees?

(a) abstract parse trees

(b) sentence diagrams

(c) both abstract parse trees and sentence diagrams

(d) none of the mentioned

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I'm obligated to ask this question of Inferences to Trees, Trees to Derivations topic in section Context Free Grammars and Languages of Automata Theory

Answer 1

The correct choice is (c) both abstract parse trees and sentence diagrams

Easiest explanation: Both of the mentioned are different from parse trees. Sentence diagrams are pictorial representations of grammatical structure of a sentence.