Q: Changeable phacelia flowers all year long
Phacelia mutabilis is a species of flowering plant in the borage family known by the common name changeable phacelia. It is native to the western United States and Baja California, where it can be found in mountains and foothills, in forested and open habitat types, and deserts.
OPTIONS:
- Yes
- It's impossible to say
- No
A: It's impossible to say

The Combat Box was a tactical formation used by heavy (strategic) bombers of the U.S. Army Air Forces during World War II. The combat box was also referred to as a "staggered formation". Its defensive purpose was in massing the firepower of the bombers' guns, while offensively it concentrated the release of bombs on a target.
The Combat Box was an extremely successful tactical formation. OPTIONS:
- Yes
- It's impossible to say
- No
A: It's impossible to say

input hypothesis: Oliver Bierhoff scored at least one goal in his career.
Context: Oliver Bierhoff (] ; born 1 May 1968) is a retired German former footballer who scored the first golden goal in the history of major international football, for Germany in the Euro 96 final, a career-defining performance that vaulted him into the international limelight.
OPTIONS:
- Yes
- It's impossible to say
- No
true or false: Yes

Context:
The 1919 PGA Championship was the second PGA Championship, which is now considered one of golf's major championships. It was held September 1620 at the Engineers Country Club in Roslyn Harbor, New York, east of New York City on Long Island in Nassau County.
Hypothesis: There was at least one winner of a PGA Championship match in 1919. OPTIONS:
- Yes
- It's impossible to say
- No
Yes

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

Laura Ellen Ziskin (March 3, 1950 June 12, 2011) was an American film producer, known as the executive producer of the 1990 romantic comedy "Pretty Woman", and as the first woman to produce the Academy Awards telecast alone, producing the 74th Academy Awards in 2002 and the 79th Academy Awards in 2007.

Sentence: The Academy Awards have been produced by a woman at least twice in the 21st century.

Output: Yes

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

Early flying machines include all forms of aircraft studied or constructed before the development of the modern aeroplane by 1910. The story of modern flight begins more than a century before the first successful manned aeroplane, and the earliest aircraft thousands of years before.

Sentence: The first manned aeroplane was by a woman

Output:
It's impossible to say