Answer the following question: You are presented with the quiz "What can chemical splashing cause to humans?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "chemical splashing can cause harm to humans" and "some pain can be harmful". So, what's the best answer to the question?

Options are:
(1). death
(2). pain
(3). pleasure
(4). birth
(5). satisfaction
(6). cancer
(7). deadly
(8). Injury
Answer:
(2).