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
A mother comes with her 3 year old female child with complain of that child is not eating anything. Her weight is 11 kg (50th percentile) and height is 88 cm. (75th percentile). What should be done next – 
Select and explain. 
A. Vitamin rich tonic to be given, B. Forceful eating, C. Nothing should be done actively and assure the parent, D. Complete investigation for UTI
C: Nothing should be done actively and assure the parent
Answer: C: Nothing should be done actively and assure the parent 
Explanation: "Allowable normal range of variation in observation, is conventionally taken between 3'd and 97th percentile curves"  -Ghai

This female child has weight (50 th percentile) and height (75th percentile) in normal range of variation (3rd-97th percentile).
So, nothing should be done actively and the parent should be assured that weight and height of the child are within normal range.