Identify the unclear pronoun references in the following paragraph. Where necessary, rewrite the sentences so that all pronoun references are clear: A rich man went to a farmer with one thousand taka in a bag. He said to him, “Look, my friend. I have brought one thousand taka for you. Keep this money and remove your distress." He was surprised. He took the bag from the rich man and thanked him. He said to himself, “One thousand taka is a lot of money." He could not think where to keep the money. He did not find any safe place. He dug a hole in his hut and kept it there.