Given the task definition, example input & output, solve the new input case.
In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Example: Question: A 13-year-old girl is operated on due to Hirschsprung illness at 3 months of age. Which of the following tumors is more likely to be present?
Options: <1> Abdominal neuroblastoma <2> Wilms tumor <3> Mesoblastic nephroma <4> Familial thyroid medullary carcinoma.
Output: 2
The answer to the given question should be a tumor, therefore Wilms tumor is the correct answer for the given question.

New input case for you: Question: Point out which of the following statements, regarding night terrors in childhood, is correct:
Options: <1> Usually the episode occurs in the last third of the night's sleep. <2> Usually, the child remembers the episode. <3> The symptoms show the existence of a somatic disorder. <4> There is a relative lack of response to other people's attempts to awaken it. <5> The subject has a quick access to the orientation and alert.
Output:
4