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
The sputum specimen of a 70 year old male was cultured on a 5% blood agar. The culture showed the presence of a-haemolytic colonies next day. The further processing of this organism is most likely to yield : 
Select and explain. 
A. Gram positive cocci in short chains, catalase negative and bile resistant, B. Gram positive cocci in pairs, catalase negative and bile soluble, C. Gram positive cocci in clusters, catalase posi- tive and coagulase positive, D. Gram negative coccobacilli, catalase positive and oxidase positive
B: Gram positive cocci in pairs, catalase negative and bile soluble
Answer: B: Gram positive cocci in pairs, catalase negative and bile soluble 
Explanation: None