Problem: Jurgen Melzer (born 22 May 1981 in Vienna) is an Austrian tennis player. He reached a career-high singles ranking of world No. 8 in April 2011, and a doubles ranking of world No. 6 in September 2010. He is a left-handed tennis player, but is right-handed in everyday life. He has a younger brother, Gerald Melzer, with whom he has played doubles in several tournaments.

Based on the paragraph above can we conclude that "Melzer is retired from tennis."?

A: It's impossible to say

Problem: Great Balls of Fire! is a 1989 American biographical film directed by Jim McBride and starring Dennis Quaid as rockabilly pioneer Jerry Lee Lewis. Based on a biography by Myra Lewis and Murray M. Silver Jr., the screenplay is written by McBride and Jack Baran. The film is produced by Adam Fields, with executive producers credited as Michael Grais, Mark Victor, and Art Levinson.

Based on the paragraph above can we conclude that "There were three credited executive producers."?

A: Yes

Problem: The Tasmanian Legislative Council is the upper house of the Parliament of Tasmania in Australia. It is one of the two chambers of the Parliament, the other being the House of Assembly. Both houses sit in Parliament House in the state capital, Hobart. Members of the Legislative Council are often referred to as MLCs.

Based on the paragraph above can we conclude that "The Tasmanian Legislative Council built Parliament House."?

A:
It's impossible to say