Does the sentence "TB infection begins when the mycobacteria reach the pulmonary alveoli, where they invade and replicate within endosomes of alveolar macrophages." provide a valid answer to the question "What specific part of the lungs marks the start of tuberculosis infection?"

A: yes

Does the sentence "A nonprofit organization is often dedicated to furthering a particular social cause or advocating for a particular point of view." provide a valid answer to the question "What is the purpose of an NPO?"

A: no

Does the sentence "The iMac did away with most of Apple's standard (and usually proprietary) connections, such as SCSI and ADB, in favor of two USB ports." provide a valid answer to the question "What did the iMac replace the floppy disk drive with?"

A: no

Does the sentence "The western coast of Australia had been discovered for Europeans by the Dutch explorer Willem Jansz in 1606 and was later named New Holland by the Dutch East India Company, but there was no attempt to colonise it." provide a valid answer to the question "When did the first shipment of British convicts leave for Australia?"

A:
no