Nonsentential Constituents

Linguists traditionally have assumed that full sentence sources truncated by ellipsis rules account for the grammatical structure as well as the semantic interpretation of fragments like B below: A: What happened in 1974? B: A scandal in the White House. A sentential structure dominated by the initial node of S is reduced to a fragment by the operation of ellipsis, and it is the full sentential source that provides the semantic interpretation for the remaining fragment.Barton argues against both