[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"exercise-C1-4612":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},4612,11,60,"C1","writing","letter","writing_c1_letter",null,"You bought tickets for a three-day music festival that promised a famous headline act and excellent facilities. However, the main performer cancelled at the last minute, the site was dangerously overcrowded and there were not enough toilets. Write a letter to the festival organisers describing your experience and…",[],"login","pro","2026-10-02T14:14:49",4611,4613,{"id":18,"number":21,"title":12,"slug":12},10,{"id":19,"number":23,"title":12,"slug":12},12,{"id":25,"number":26,"title":12,"slug":12},4602,1,false]