Question: Select each choice that is a true statement: 1 . If G is not ambiguous, each string in G has only one derivation. 2 .

Select each choice that is a true statement:
1. If G is not ambiguous, each string in G has only one derivation.
2. If two different strings have two different leftmost derivations in G, then G is not ambiguous.
3. If G has a string with two different leftmost derivations, G is ambiguous.
4. If G is ambiguous, then L(G) is inherently ambiguous.

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