Problem: The Boulton Paul Balliol and Sea Balliol were monoplane military advanced trainer aircraft built for the Royal Air Force (RAF) and the Royal Navy Fleet Air Arm (FAA) by Boulton Paul Aircraft. Developed in the late 1940s the Balliol was designed to replace the North American Harvard trainer and used the Rolls-Royce Merlin engine, with the Sea Balliol a naval version for deck landing training.

Based on the paragraph above can we conclude that "The Harvard trainer was used for missions for 5 years."? OPTIONS:
- Yes
- It's impossible to say
- No

A: It's impossible to say

Q: All four of the head coaches are former head coaches.
There have been four head coaches of the Houston Texans, a professional American football team based in Houston, Texas, United States. The Texans play in the South Division of the American Football Conference (AFC) in the National Football League (NFL).
OPTIONS:
- Yes
- It's impossible to say
- No
A: It's impossible to say

Studio One is an American radiotelevision anthology drama series, created in 1947 by Canadian director Fletcher Markle, who came to CBS from the CBC. It aired under several variant titles: Studio One Summer Theatre, Studio One in Hollywood, Summer Theatre, Westinghouse Studio One and Westinghouse Summer Theatre.
Studio One was creater by the end of 1847 OPTIONS:
- Yes
- It's impossible to say
- No
A: No

input hypothesis: A Common Land Unit starts with a B.
Context: A Common Land Unit (CLU) is the smallest unit of land that has a permanent, contiguous boundary, a common land cover and land management, a common owner and a common producer in agricultural land associated with USDA farm programs. CLU boundaries are delineated from relatively permanent features such as fence lines, roads, and/or waterways.
OPTIONS:
- Yes
- It's impossible to say
- No
true or false: It's impossible to say

Context:
The Nashville sound originated during the mid 1950s as a subgenre of American country music, replacing the chart dominance of the rough honky tonk music which was most popular in the 1940s and 1950s with "smooth strings and choruses", "sophisticated background vocals" and "smooth tempos". It was an attempt "to revive country sales, which had been devastated by the rise of rock 'n' roll."
Hypothesis: Honky Tonk disappeared after the 50s OPTIONS:
- Yes
- It's impossible to say
- No
It's impossible to say

Problem: "In Due Time" is the lead single from Killswitch Engage's sixth studio album, "Disarm the Descent". The song is the band's first single to feature vocalist Jesse Leach since 2003's "The Element of One". The song charted at no. 23 on the Active rock chart and no. 26 on the Mainstream Rock chart.

Based on the paragraph above can we conclude that "Jesse Leach hated singing lead for Killswitch Engage."? OPTIONS:
- Yes
- It's impossible to say
- No

A:
It's impossible to say