| left_col,right_col,sample_type | |
| customer_id,address,P | |
| customer_id,postcode,P | |
| customer_id,state,P | |
| customer_id,country,P | |
| customer_id,property_valuation,P | |
| customer_id,product_id,N | |
| customer_id,online_order,N | |
| customer_id,order_status,N | |
| customer_id,product_first_sold_date,N | |
| transaction_date,order_status,N | |
| brand,order_status,N | |
| product_line,order_status,N | |
| list_price,order_status,N | |
| list_price,standard_cost,N | |
| address,transaction_id,N | |
| address,customer_id,N | |
| address,online_order,N | |
| address,order_status,N | |
| address,product_line,N | |
| address,product_size,N | |
| address,list_price,N | |
| address,postcode,N | |
| address,state,N | |
| address,property_valuation,N | |
| postcode,state,N | |