Does the sentence "Somali sailors and merchants were the main suppliers of frankincense, myrrh and spices, items which were considered valuable luxuries by the Ancient Egyptians, Phoenicians, Mycenaeans and Babylonians." provide a valid answer to the question "What economic activity in the Horn of Africa did the ancient Somalis connect to the rest of the world?"

A: no

Does the sentence "Tension between Macedon and Rome increased when the young king of Macedon, Philip V harbored one of the chief pirates, Demetrius of Pharos (a former client of Rome)." provide a valid answer to the question "What king of Macedon aided the pirate Demetrius of Pharos?"

A: yes

Does the sentence "The only knowable reality is the represented image of an external object." provide a valid answer to the question "What sort of reality did Collier believe was knowable?"

A: yes

Does the sentence "This is known as a Simon focus and is typically found in the top of the lung." provide a valid answer to the question "What two-word phrase is used for the main part of the lungs infected by TB?"

A:
no