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'.

Question: It contains a Gram negative species that causes meningitis the genus:
Options: <1> Trichomonas. <2> Pasteurella <3> Burkholderia. <4> Francisella. <5> Neisseria.
5