system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which of the following cannot be done by a 3 year old child?
assistant
The correct answer is  A child can draw a rectangle by the age of 4 years. All other options can be performed by a 3 year old child. Ref: O P Ghai, 7th Edition, Pages 26-29, 6th Edition, Page 44; Nelson, 18th Edition, Page 44.