 So now we have three cases of anaphoric pronouns that cannot be understood as referring expressions nor as bound variables: 1) pronouns in discourse anaphora; 2) pronouns in Geach discourses and 3) pronouns in (conditional and relative clause) donkey sentences. Let’s call these cases of problematic anaphora. The recent interest in anaphora is largely an interest in finding a semantic theory for problematic anaphora. In the next section, we outline the main theories that have arisen to fill this void.