What is the problem in a dirty park?, Green trees, Fresh air, Clean benches, Trash everywhere, What can cause a traffic jam?, Walking slowly, More bicycles, Too many cars, Empty roads, What is a good solution for a dirty playground?, Clean it up, Close it forever, Throw more trash, Break the swings, What is a cause of pollution?, Using bins, Factory smoke, Planting trees, Recycling bottles, What is a solution to reduce traffic jam?, Use buses, Buy more cars, Drive alone, Block roads, How can we help a dirty park?, Drop more waste, Pick up litter, Damage the grass, Ignore the mess.

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