original passage: The following lost and fragmentary plays are of uncertain date, and are arranged in English alphabetical order.
original sentence: The following lost and fragmentary plays are of uncertain date, and are arranged in English alphabetical order.
sentence2: If one discovered a new play that is fragmentary and has an uncertain date, is this the right list to add it to?
sentence1: The following lost and fragmentary plays have vague dates, and are arranged in English alphabetical order.