@property
    def role(self):
        # [(1,SBJ), (1,OBJ)])] => SBJ
        return len(self.relations) > 0 and self.relations[0][1] or None
Yields the first role of the chunk (SBJ, OBJ, ...).
dataset/ETHPy150Open markuskiller/textblob-de/textblob_de/ext/_pattern/text/tree.py/Chunk.role