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    "Lab2_nlp_evaluation" -- "Lab1_ai_evaluation" [label=" 3 ", penwidth="3", color="#00688b82"];
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    "Lab2_nlp_evaluation" -- "Lab2_nlp_evaluation" [label=" 1 ", penwidth="1", color="#a0a0a05E"];
    "Lab4_simulate_datasets" -- "Lab2_nlp_evaluation" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "Lab4_simulate_datasets" -- "Lab3_risk_safety_eval" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "Lab4_simulate_datasets" -- "Lab1_ai_evaluation" [label=" 1 ", penwidth="1", color="#00688b5E"];

}