The correct answer is 3. These are the classic clinical signs of tetralogy of Fallot, which is characterized by a combination of four structural abnormalities in the heart:
1. Pulmonary stenosis
2. Ventricular septal defect
3. Overriding aorta
4. Right ventricular hypertrophy
The combination of these defects leads to a mixing of oxygenated and deoxygenated blood within the heart, resulting in cyanosis