Task: Question Answering
Input (English): 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.
Output (English): 2