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
[{'content': 'A 6 year old child has an IQ of 50. Which of the following tasks should the child be able to perform? \nSelect and explain. \nA. Identify colours, B. Read a sentence, C. Ride a bicycle, D. Copy a triangle', 'role': 'user'}, {'content': "Answer: A \nExplanation: This question expects us to first calculate the child's mental age and then choose the task that can be performed by a six year old child with an IQ of 50. This child has a mental age of 3 years and therefore is capable of identifying colours. Ref: Clinical Review for the USMLE Step 2, Surgisphere Corporation, 2008 - Pg 72; Ghai Essential Pediatrics - 6th Edition, Page 543; UNICEF Guidelines on Child development and Early learning; Nelson's Textbook of Pediatrics 17th Edition, Page 39.", 'role': 'assistant'}]