Detailed Instructions: 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'.
Q: Question: Adolescent of 16 years who consults for primary amenorrhea. He does not have medical-surgical history of interest. On physical examination, we found female secondary sex characteristics, female external genitalia, with stage III-IV breast development, scanty pubic and axillary hair. He presents a stature in the 90th percentile for his age. The plain radiograph reveals a bone age of 15.8 years. The analytical study reveals an estradiol of 50 pg / ml, and high gonadotropins. Which of the following clinical entities would be compatible with the diagnosis? 
 Options:  <1> Klinefelter syndrome. <2> Kallman syndrome. <3> Constitutional growth retardation. <4> Congenital adrenal hyperplasia. <5> Complete androgenic insensitivity syndrome.
A:
5