A man in a red shirt is standing next to a woman in a blue dress. They are both holding hands and smiling at each other. The peninsula's unity was enhanced by the expanding network of railways and roads. As a result, the peninsula's economy flourished. The police officer was injured during the protest. The protesters were peaceful and unarmed. If a doctor is performing surgery on a patient, does this mean that the doctor is also a dentist? Some surfers riding waves on a beach busy with tourists
yes
no
no
no
it is not possible to tell