Task: Question Answering
Input (English): 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 (English): 4