[
 {"id":"C1","text":"1164 of the 1200 control records can be read unambiguously and analysed; 36 cannot.","results_keys":["n_valid_records","n_analysed","n_unreadable_records","n_records_control"],"status":"supported","caveat":"Includes 25 records with quoted thousands-separated prices judged unambiguous."},
 {"id":"C2","text":"The 36 unreadable records are garbled export lines; the per-municipality count gaps sum exactly to 36.","results_keys":["n_garbled_lines","reconciliation_by_municipality_gap"],"status":"supported","caveat":"Garbled content not reconstructed."},
 {"id":"C3","text":"The price sum over analysable records is 456,370,000 CAD, leaving an implied 14,917,000 CAD for the unreadable records relative to the control sum.","results_keys":["sum_price_valid","sum_price_control","sum_price_unreadable_implied"],"status":"supported","caveat":"Implied sum relies on the provider control total being correct."},
 {"id":"C4","text":"Mean sale price over analysable records is 392,070.45 CAD and median price per m2 is 2,984.94 CAD/m2.","results_keys":["mean_price_valid","median_price_per_m2_valid"],"status":"supported","caveat":"Computed on the 1164 readable records only; full-table values unknown."},
 {"id":"C5","text":"The task is only partially feasible because 36 control records could not be analysed.","results_keys":["feasibility","feasibility_reason"],"status":"supported","caveat":""}
]