Read the text to answer questions 41 to 42.

    Long time ago, lived a farmer and his wife. They lived simply and liked to help other people. One night, the farmer was sitting beside his sleeping wife. Suddenly, a white centipede came out from the wife's head. He then followed it until they reached a small pond. The centipede suddenly disappeared. The farmer went home and found his wife still soundly asleep.

    In the morning, the wife told him about her dream that she saw a giant hedgehog in the lake. After he heard her dream, the farmer went to the small pond. He saw something very shiny. It was a golden hedgehog statue. Its eyes were made of diamond. The farmer then brought it home.

    At night, the farmer had a dream. A giant hedgehog asked for to stay with him. The hedgehog would give him everything that he wanted. Just said the prayer, the first started the wishes and the second stopped the wishes. The farmer told his wife about his dream. Then they proved it. The farmer asked for rice. Suddenly, rice came out of the mouth of the statue. The farmer said the prayer to stop it. The rice then stopped coming out. They became very rich. But they still liked to help other people.

    Unfortunately, a thief knew about it. He stole it and hid to the district area of Ngabang. There was a drought in the area. The thief wanted sympathy from the people, so he said the prayer. Water came out of the statue's mouth. All the people were so happy. But the water kept on coming out. The thief didn't know how to stop it. People ran away to avoid the water as it started to flood the. The thief also wanted to run away, but he could not move his legs. There was a giant hedgehog holding both his legs. The thief was drowned. People then named it as Hedgehog River or Sungai Landak.

Why did the farmer go to the pond after he heard his wife's dream?