What is the main idea of four paragraph?Three large fish lived very happily in a pond which few people ever passed. One day two men who were passing by the pond was the fish. One of them said, “ Let us hurry home and get our nets”. Those fish are too fine to lose. The three fish were very much fightened. The first one thought a moment, then swam through the outlet of the pond into the river. When the men came back with their nets, there were only two fish to be seen. The found the outlet of the pond and made a dam across it. The second fish now began to think. It came to the top of the water and floated on its back. One of the men picked it up in his net, but it seemed dead, so he threw it back into the water. The fish that never thought sank to the bottom of the pond and was easily caught.​