Does "His group was managed by John "Monopoly" Johnson, Don Crowley, and Happy Lewis under the management firm Hustle Period." contain the correct answer to "What firm managed Kanye West's rap group?"

A: yes

Does "Over the years a variety of record equalization practices emerged and there was no industry standard." contain the correct answer to "Which country used the most varied equalization practices?"

A: no

Does "His maternal ancestors were of Scottish and English descent, and his maternal grandfather James Grant Forbes II was a member of the Forbes family, while his maternal grandmother Margaret Tyndal Winthrop was a member of the DudleyWinthrop family." contain the correct answer to "Who was Kerry's paternal grandmother?"

A:
no