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CFG: S - > SSS | aXb; X - > ba | bba | abb Does a leftmost derivation exist for all the words defined

CFG: S

- >

SSS

|

aXb; X

- >

|

bba

|

abb

Does a leftmost derivation exist for all the words defined by the given CFG

?

No for all the words

Yes for some words but no for some other words

Yes for all the words

Impossible to answer since there is no enough information

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