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: Pediatrics
Bilateral consonants are ? 
Select and explain. 
A. Pb9, B. PbMW, C. MW, D. TLMW
B: PbMW
Answer: B: PbMW 
Explanation: Ans. is 'b' i.e., PbMW Pronounced or aiculated with both lips, as the consonants b, p, m, and w. Baby stas producing bilabial words by 4th month of age.