def visualize_knowledge_graph(kg):
    print (kg.keys())
    dot = Digraph(comment="Knowledge Graph")

    # Add nodes
    for node in kg['nodes']:
        dot.node(str(node['id']), node['label'], color=node['color'])

    # Add edges
    for edge in kg['edges']:
        #dot.edge(str(edge['source']), str(edge['target']), label=edge['label'], color=edge['color'])
        dot.edge(str(edge['source']), str(edge['target']), label=edge['label'])

    # Render the graph
    dot.render("/tmp/knowledge_graph.gv", view=False)