Problem: Does "In Europe NATO's Allied Command Europe developed an integrated air defence system, NATO Air Defence Ground Environment (NADGE), that later became the NATO Integrated Air Defence System." answer the question "What does NADGE stand for?"

A: yes

Problem: Does "Other alumni have gone on to work in television and films, the most notable being Jennifer Hudson who, on the recommendation of the Idol vocal coach Debra Byrd, won a role in Dreamgirls and subsequently received an Academy Award for her performance." answer the question "Who recommended the role for Hudon?"

A: yes

Problem: Does "Beneath this point, the plasticity of the ice is too great for cracks to form." answer the question "Why are the tops of glaciers rigid?"

A:
no