 Theories that assign both sets of truth conditions to relative clause donkey sentences generally do so by positing some sort of ambiguity, either in the quantifiers, the pronouns, or the  indefinites.[34]  Though the matter isn’t entirely clear, it seems plausible that the theories discussed in this entry also may be able to assign both the universal and the existential truth conditions to relative clause donkey sentences by positing some sort of ambiguity. These matters require further  investigation.[35]