This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
An 8 year old child with history of pain & discharge from right ear presents with fever, neck rigidity & a positive Kerning's sign. Discharge was stained with Gram stain which revealed Gram positive cocci. Which of the following is the most likely organism? 
Select and explain. 
A. H. influenzae, B. Staphylococcus, C. Pneumococcus, D. Pseudomonas
C: Pneumococcus
Answer: C: Pneumococcus 
Explanation: None