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

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).

Sentence: All four of the head coaches of the Houston Texans have coached elsewhere in the National Football League (NFL).

Output: It's impossible to say

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

The Grand Duel (Italian: "Il Grande duello"), also known as Storm Rider and The Big Showdown, is a 1972 Spaghetti Western film directed by Giancarlo Santi, who had previously worked as Sergio Leone's assistant director on "The Good, the Bad and the Ugly" and "Once Upon a Time in the West". The film stars Lee Van Cleef as a sheriff who seeks justice for a man accused of murder.

OPTIONS:
- Yes
- It's impossible to say
- No
Hypothesis: Giancarlo Santi never worked for Sergio Leone after 1972.
****
Answer:
It's impossible to say

[Q]: James Bongani Kamte (born 20 July 1982), nicknamed "Cobra", is a South African professional golfer. He has played on the Sunshine Tour, Challenge Tour, European Tour, and Asian Tour. He earned his tour card for the 2008 European Tour season by finishing in the top 30 of the qualifying school. He is going to go on another tour OPTIONS:
- Yes
- It's impossible to say
- No
[A]: It's impossible to say

Problem: The twenty-first season of British science fiction television series "Doctor Who" began on 5 January 1984 with the 5th Doctor (Peter Davison) serial "Warriors of the Deep", and ended with Colin Baker's first serial "The Twin Dilemma". For only the second time (the first being during season 4), the entire TARDIS crew changed over the course of a single season.

Based on the paragraph above can we conclude that "Season 21 began in January of the 1980's for the show Doctor Who."? OPTIONS:
- Yes
- It's impossible to say
- No

A: Yes

Q: Kroeger loved his work as a composer.
Ernest R. Kroeger (August 10, 1862 April 7, 1934) was an American composer. He is mainly known for the pedagogical works he composed for piano; he also taught music in St. Louis, Missouri. Today his papers are held at the Missouri Historical Society.
OPTIONS:
- Yes
- It's impossible to say
- No
A: It's impossible to say

Q: Ranganath spent one and a half years writing for the film.
Suntaragaali (Kannada: ) is a 2006 Indian Kannada romantic action film directed by Sadhu Kokila and written by Ranganath. Besides direction, Sadhu Kokila has composed the music and also enacted in a supporting role. The main cast includes Darshan, Rakshita and Ashish Vidyarthi besides Seetha, Umashree and Rangayana Raghu in other pivotal roles.
OPTIONS:
- Yes
- It's impossible to say
- No
A:
It's impossible to say