customer_id,tenure_days,days_since_last_login,login_frequency_7d,payment_delays_90d,support_tickets_last_30d,contract_type,nps_score,feature_adoption_score,avg_session_minutes
C1,45,18,1,2,4,Month-to-Month,3,45,8
C2,720,1,12,0,0,Annual,9,88,40
C3,30,25,0,3,6,Month-to-Month,2,20,3