Here is an idea
You can either tell the importance of sports why sports is important and do a conversation between four people like two of the people are lazy and you and you and your friend tell them about sport activities and sport centres there importance and how we can do them in daily life.
You are correct in saying that it is y, for instance pygmy.
<span>The answer is the option A. The naturalist. He is the person who performs the action. The actions is indicated by the verb. The verb is realized, Then you can ask who realized that the orchids had adapted to attract insects? The answer to who performs the action will reveal the subject. IN this case the answer is the narutalist. Which means that the subject is the naturalist.</span>