input hypothesis: He had a different career before becoming a director.
Context: Craig Lahiff (April 23, 1947 2 February 2014) was an Australian film director. He grew up in the Adelaide suburb of Somerton Park and studied science at Adelaide University, then trained as a systems consultant before studying arts in film at Flinders University. He began working in the film industry on crews for movies such as "Sunday Too Far Away" and "The Fourth Wish".
OPTIONS:
- Yes
- It's impossible to say
- No
true or false: Yes

Context:
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.
Hypothesis: Jurgen Melzer still plays tennis today. OPTIONS:
- Yes
- It's impossible to say
- No
It's impossible to say

Input: OPTIONS:
- Yes
- It's impossible to say
- No

KXST is a radio station licensed to North Las Vegas, Nevada, broadcasting to the Las Vegas, Nevada area on 1140 AM. The station is owned by CBS Radio, and broadcasts a sports talk format as part of the CBS Sports Radio network. The station's studios are located in the unincorporated Clark County area of Spring Valley, while its transmitter is near Nellis Air Force Base.

Sentence: KXST is one of the most popular radio stations in North Las Vegas.

Output: It's impossible to say

Problem:
Read the following paragraph and determine if the hypothesis is true:

Jon L. Luther is an American foodservice industry executive. He was the chairman and chief executive officer of Dunkin' Brands. Luther is the Chairman of the Board of the Culinary Institute of America and Arby's Restaurant Group, and a director at Six Flags Entertainment Corporation, Wingstop Restaurants, and Tempur Sealy International.

OPTIONS:
- Yes
- It's impossible to say
- No
Hypothesis: Jon L. Luther achieved his career ranking through serving 40 years in the industry.
****
Answer:
It's impossible to say

[Q]: Ahmad Kemal Idris (born Singaraja, Bali, February 10, 1923 died Jakarta, July 28, 2010) was a prominent Indonesian Army general during the 1950s and 1960s. He was an Indonesian guerrilla leader during the Indonesian National Revolution, who in 1949 was involved in continued resistance to the Dutch forces after they occupied Yogyakarta. Idris retired in 1980. OPTIONS:
- Yes
- It's impossible to say
- No
[A]: It's impossible to say

[Q]: Robert Mills Delaney, sometimes incorrectly spelled Delany (1903-1956) was an American composer. He studied with Nadia Boulanger and Arthur Honegger in Paris, and was best known for his 1928 choral symphony, John Brown's Song, based on Stephen Benet's Pulitzer Prize winning poem "John Brown's Body". Robert Delaney earned a lot of money for writing John Brown's Song. OPTIONS:
- Yes
- It's impossible to say
- No
[A]:
It's impossible to say