[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"exercise-B1-737":3},{"preview":4,"open":14,"missing":37},{"id":5,"number":6,"total":7,"level":8,"course":9,"activity":10,"discriminator":11,"title":12,"slug":13,"instructions":14,"excerpt":15,"prompts":16,"lock":19,"access":20,"updated":21,"previous_id":22,"next_id":23,"previous":24,"next":28,"first":32},737,83,90,"B1","reading","long_text","reading_long_text","The Lunchbox Challenge","the-lunchbox-challenge",null,"A few months ago, I calculated how much money I was spending on lunch every week. Between sandwiches from the café near my office, the occasional salad bar, and the coffee I bought every afternoon, the total came to nearly forty pounds. That's over two thousand pounds a year - just on lunch. I decided something had…",[17,18],"Why did the writer decide to change his lunchtime routine?","What difficulty did the writer face during the second week?","login","pro","2026-10-02T14:14:49",736,738,{"id":22,"number":25,"title":26,"slug":27},82,"Moving to the Countryside","moving-to-the-countryside",{"id":23,"number":29,"title":30,"slug":31},84,"The Old Cinema","the-old-cinema",{"id":33,"number":34,"title":35,"slug":36},655,1,"A Lifetime on Two Wheels","a-lifetime-on-two-wheels",false]