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: In latent human herpes simplex virus infections, viral particles typically remain in:
Options: <1> Neurons. <2> The B lymphocytes <3> The T lymphocytes <4> The myeloid cells <5> The granulocytes.
Output:
1