Task: Question Answering
Input (English): Question: In a Gram positive pathogen involved in pharyngitis and rheumatic fever: 
 Options:  <1> Staphylococcus aureus. <2> Micrococcus luteus. <3> Moraxella catarrhalis. <4> Haemophilus influenzae. <5> Streptococcus pyogenes.
Output (English): 5