Please answer the following question: Article: Once upon a time, a boy was walking through a wood and he thought he could hear a sad cry. Following the sound he came to a big, round, mysterious, grey fountain. The sad sound seemed to be coming from the fountain pool. The boy swept aside the pool's dirty surface water and saw a group of grey fish swimming in a slow circle through the pond. Amused by this, the boy tried to catch one of these incredible talking fish. But when he stuck his arm into the water it turned grey right up to the elbow. As this happened, a huge sadness entered into him, and he suddenly understood how sad the fish were feeling. He quickly pulled his arm out of the water, and ran from that place. But the arm stayed grey, and the boy continued feeling sad. He tried so many times to cheer himself up, but nothing worked. That was, until he realized that if he were to make the Earth happy then that happiness would be, in turn, transmitted back to him, through the earth on his arm. X|k | B| 1 . c|O |m From then on, he set about looking after countryside. He cared for the plants, and he did what he could to keep the water from being polluted. He encouraged others to do the same. He was so successful that his arm started to _ its normal color. When the grey had disappeared completely, he started feeling happy again, and he decided to go and visit the fountain. When he was still some way from the fountain he could hear the fish singing happily. Question: What can we learn from the passage? Yes or no, is the answer "We should protect the earth."?
Answer:
No