"text": "Great! Could you please create bar charts that display loan approval rates for each credit history category, employment status, middle-age group, and credit amount range using a binning size of 2000 for the credit amount, and also tell me which credit history category has the maximum loan approval rate?",  
"options": [  
    "A. All paid",  
    "B. delayed previously",  
    "C. critical / other existing credit",
    "D. existing paid",
    "E. None of Above"
],  
"correct_answer": "C"
