Problem: Given the question: Daniel Grayling "Dan" Fogelberg, was an American musician, songwriter, composer, and multi-instrumentalist, he is best known for his early 1980s hits, including "Same Old Lang Syne" is a song written and sung by Dan Fogelberg released as a single in which year?
++++++++++++++++++++++++++++++++
The answer is:
1980

Problem: Given the question: Are Robert Graves and Jonathan Coe both novelist?
++++++++++++++++++++++++++++++++
The answer is:
yes

Problem: Given the question: Are David Usher and Gregg Allman both from the same band?
++++++++++++++++++++++++++++++++
The answer is:
no