Theme Detection - General Questions

Choose the main theme. "A city's trees cool streets in summer, absorb rainwater and filter dust. Yet they are often the first casualty of road widening. Planners now recognise that trees are infrastructure, just like drains and roads."

Choose the main theme. "Learning a new language as an adult is slower than as a child, but adults have advantages: they can understand grammar rules, use dictionaries and practise deliberately. With regular effort, adults can reach high fluency."

Choose the main theme. "Food waste is not just a moral issue; it also wastes the water, energy and labour used to grow and transport food. Reducing waste at home and in shops saves resources across the whole chain."

Choose the main theme. "Sleep is not idle time for the brain. During deep sleep, memories from the day are consolidated, and toxins that build up while we are awake are cleared away. Regularly cutting sleep short harms both learning and health."

Choose the main theme. "Sleep is often the first thing people give up when busy. Yet lack of sleep slows thinking, weakens immunity and increases mistakes, making people less productive, not more."