question: What is a line officer in the USAF ?
answer: concept of the line of battle and refers to an officer whose role falls somewhere within the `` Line of the Air ''
turker_answer: The line officer in the USAF is the concept of the line of battle , and refers to an officer whose role falls somewhere within the `` line of the Air '' .
rule-based: A line officer in the USAF is concept of the line of battle and refers to an officer whose role falls somewhere within the `` Line of the Air .