class GraphBuilder:
    """
    # Usage
    narrative = Narrative(...)  # Create a narrative instance
    graph_builder = GraphBuilder(narrative)
    graph_builder.build_graph()

    """

    def __init__(self, narrative):
        self.narrative = narrative
        # Other initialization code if needed

    def build_graph(self):
        pass
        # Logic to read events, relations, and construct a graph using Narrative, EntityStructures, LinkStructures, etc.
        # Add nodes and edges to the graph based on the entities and relations

