This task is about writing a correct answer for the reading comprehension task. Based on the information provided in a given passage, you should identify the shortest continuous text span from the passage that serves as an answer to the given question. Avoid answers that are incorrect or provides incomplete justification for the question.

[Q]: Passage: Children working at a young age has been a consistent theme throughout Africa. Many children began first working in the home to help their parents run the family farm. Children in Africa today are often forced into exploitative labour due to family debt and other financial factors, leading to ongoing poverty. Other types of domestic child labour include working in commercial plantations, begging, and other sales such as boot shining. In total, there is an estimated five million children who are currently working in the field of agriculture which steadily increases during the time of harvest. Along with 30 percent of children who are picking coffee, there are an estimated 25,000 school age children who work year round. Question: How many children in Africa pick coffee?
[A]: 30 percent


[Q]: Passage: Indigenous Australians have been referred to as "black people" in Australia since the early days of European settlement. While originally related to skin colour, the term is used to today to indicate Aboriginal or Torres Strait Islander ancestry in general and can refer to people of any skin pigmentation. Question: What was the original term related to?
[A]: skin colour


[Q]: Passage: Works of classical repertoire often exhibit complexity in their use of orchestration, counterpoint, harmony, musical development, rhythm, phrasing, texture, and form. Whereas most popular styles are usually written in song forms, classical music is noted for its development of highly sophisticated musical forms, like the concerto, symphony, sonata, and opera. Question: Works of classical repertoire exhibit what in their use of orchestration and harmony, and form?
[A]:
complexity