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 "Dr Dre started Death Row Records"? OPTIONS:
- Yes
- It's impossible to say
- No

A: It's impossible to say

Problem: The National Democratic Party (NDP) is a Ghanaian political party, founded in October 2012 as a split from the ruling National Democratic Congress. Its first leader was former NDC politician Nana Konadu Agyeman Rawlings, who is also the wife of former President of Ghana and NDC founder Jerry Rawlings.

Based on the paragraph above can we conclude that "there is a new candidate for president"? OPTIONS:
- Yes
- It's impossible to say
- No

A: It's impossible to say

Problem: Jonathan Erlich and Andy Ram were the defending champions, but Erlich chose not to participate due to an elbow injury, and only Ram competed that year.Ram partnered with Max Mirnyi, but lost to Feliciano Lopez and Fernando Verdasco in the second round.

Based on the paragraph above can we conclude that "Jonathan Erlich also had a knee injury."? OPTIONS:
- Yes
- It's impossible to say
- No

A:
It's impossible to say