[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"exercise-C1-4618":3},{"preview":4,"open":12,"missing":27},{"id":5,"number":6,"total":7,"level":8,"course":9,"activity":10,"discriminator":11,"title":12,"slug":12,"instructions":12,"excerpt":13,"prompts":14,"lock":15,"access":16,"updated":17,"previous_id":18,"next_id":19,"previous":20,"next":22,"first":24},4618,17,60,"C1","writing","letter","writing_c1_letter",null,"You ordered an expensive sofa from an online furniture store. It arrived three weeks late, was damaged during delivery and the delivery staff refused to take it away. Write a letter of complaint to the store’s customer service manager explaining what happened and requesting a replacement or a full refund.",[],"login","pro","2026-10-02T14:14:49",4617,4619,{"id":18,"number":21,"title":12,"slug":12},16,{"id":19,"number":23,"title":12,"slug":12},18,{"id":25,"number":26,"title":12,"slug":12},4602,1,false]