customer_id,plan,tenure_months,monthly_spend,support_tickets,churned
C-001,Basic,3,19.99,4,true
C-002,Pro,18,59.99,1,false
C-003,Pro,7,59.99,3,false
C-004,Basic,2,19.99,5,true
C-005,Enterprise,30,149.99,0,false
C-006,Basic,11,19.99,2,false
C-007,Pro,4,59.99,6,true
C-008,Enterprise,24,149.99,1,false
C-009,Basic,1,19.99,3,true
C-010,Pro,15,59.99,1,false
C-011,Enterprise,9,149.99,2,false
C-012,Basic,5,19.99,4,true