Problem: Does "Beer brewing was very important to the Sumerians." answer the question "What was the key ingredient in early Sumerian brews?"

A: no

Problem: Does "Outside the capital, there had been widespread harassing activity by single aircraft, as well as fairly strong diversionary attacks on Birmingham, Coventry and Liverpool, but no major raids." answer the question "What locations suffered strong diversionary tactics?"

A: yes

Problem: Does "This among other factors leads to bouts of narrowing of the airway and the classic symptoms of wheezing." answer the question "What other cell types are involced with the changing of airways?"

A:
no