Please choose the correct answer to the question: A woman visits the same beach year after year, and begins to notice a change to a large wall of stone. Where the water touches the rock, she notices that the rock shows signs of being dissolved. After two year, there is an indent in the rock. After fifty years, the woman discovers that the rock

Answer1: is now an underground chamber Answer2: is now solid gold Answer3: is now about to explode Answer4: is now much bigger

Answer format: answer1/answer2/answer3/answer4