Grammatically analyze "Why drivers were left stranded" [closed]

Solution 1:

Why drivers were left stranded.

is not a grammatical sentence. If that's the precise word order, I would say it's part of a bigger sentence (perhaps, Why drivers were left stranded is beyond me.), in which case Why drivers were left stranded functions as an embedded interrogative clause (no S-V inversion, as a result). If, however, it's to be considered a complete sentence in its own right, you've to recast it as: Why were the drivers left stranded? {S-V inversion mandated in this case.}