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: Which of the following parenteral vaccines is contraindicated during pregnancy? 
 Options:  <1> Vaccine against tetanus. <2> Vaccine against measles. <3> Vaccine against whooping cough. <4> Vaccine against hepatitis B. <5> Vaccine against the flu.
