Problem: West Coast hip hop is a hip hop music subgenre that encompasses any artists or music that originate in the West Coast region of the United States. The gangsta rap subgenre of West Coast hip hop began to dominate from a radio play and sales standpoint during the early 1990s with the birth of G-funk and the emergence of Suge Knight and Dr. Dre's Death Row Records.

Based on the paragraph above can we conclude that "West Coast hip hop has been played by black sabbath."? OPTIONS:
- Yes
- It's impossible to say
- No

A: It's impossible to say

Problem: Part of the AFI 100 Years series, AFI's 100 Years100 Songs is a list of the top 100 songs in American cinema of the 20th century. The list was unveiled by the American Film Institute on June 22, 2004, in a CBS television special hosted by John Travolta, who appeared in two films honored by the list, "Saturday Night Fever" and "Grease".

Based on the paragraph above can we conclude that "All of the songs were written in the 20th century."? OPTIONS:
- Yes
- It's impossible to say
- No

A: It's impossible to say

Problem: A surf break at Point Leo, on the Mornington Peninsula, one of the closest surf beaches to Melbourne in Victoria, Australia known as First Reef or more colloquially just "The Reef". Until the 1970s there was little or no resident surfing population in Point Leo, so the Reef was mainly surfed by the few transient waveriders who were exploring the many breaks to be found in Westernport Bay.

Based on the paragraph above can we conclude that "The Reef is an amazing place to surf."? OPTIONS:
- Yes
- It's impossible to say
- No

A:
It's impossible to say