5.1. Preserving the coreference chains

As for grammatical coreference, grammatical rules are followed; with textual coreference, the textual cohesion and coreference chains are preserved. The coreference chains are not always simple and straightforward, they do not always connect one node with another; they can also split. The current approach to the annotation of coreference does not allow for mutual interconnection of all the individual parts of a coreference chain; therefore the following rules are to be respected: