Definition: 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'.
Input: Question: Regarding telomerases, which of the following statements is not true ?: 
 Options:  <1> They have reverse transcriptase activity. <2> They prevent shortening of telomeres. <3> Its defect promotes carcinogenesis. <4> Its activity is essential for the stability of chromosomes. <5> They are ribozymes.
