Q: 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: Bacteria of the species Haemophilus influenzae: 
 Options:  <1> They grow in the middle of MacConkey. <2> Causes meningitis in children. <3> They are anaerobic Gram positive bacilli. <4> They are anaerobic Gram positive cocci. <5> They are hemolytic.
A:
2