A Synset definition must be standing on its own. However there are hundreds of instances where "Bu" is used to refer to the previous sense in a dictionary entry, which doesn't make sense in the context of a Synset definition where there is no concept of a previous sense. About half the instances obtained by the below command are instances of ambiguous pronouns.
grep '<DEF>Bu ' src/main/resources/turkish_wordnet.xml
A Synset definition must be standing on its own. However there are hundreds of instances where "Bu" is used to refer to the previous sense in a dictionary entry, which doesn't make sense in the context of a Synset definition where there is no concept of a previous sense. About half the instances obtained by the below command are instances of ambiguous pronouns.