What is the thing that turns solid by heating?
Question: What is that thing that dies when you drink water?
Answer: Thirsty die after drinking water.
Question: What are the things that are made of light and end when it is dark?
Answer: Shadow is made of light and ends when it is dark.
Question: Which is the organism that can grow from male to female?
Answer: A creature named Octopus can grow from male to female.