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

Charantin is a chemical substance obtained from the Asian bitter melon ("Momordica charantia"), reputed to be responsible for the hypoglycaemic properties of those plants. It was identified by Lolitkar and Rao in 1960. It was also found in the similar African species "M. foetida", by A. Olaniyi in 1975, under the name foetidin.

Sentence: Charantin was first identified in the 80s.

Output: No
Problem:
Read the following paragraph and determine if the hypothesis is true:

Peter MacDonald is an English film director, cinematographer, and producer from London, England. A prolific second unit director, MacDonald has worked on various Hollywood blockbusters including "Guardians of the Galaxy, The Bourne Ultimatum, Harry Potter and the Prisoner of Azkaban", and "The Empire Strikes Back."

OPTIONS:
- Yes
- It's impossible to say
- No
Hypothesis: Guardians of the Galaxy, Harry Potter and the Prison of Azkaban and The Bourne Ultimatum were all directed by Peter Macdonald.
****
Answer:
Yes
[Q]: How to take care of ducklings<br>Find a brooding box. After ducklings have hatched from their shells and spent about 24 hours getting used to their new surroundings, they're ready to move to a brooder. A plastic storage container, sturdy cardboard box, or large glass aquarium can all work for this purpose. ducklings do not hatch out of shells OPTIONS:
- Yes
- It's impossible to say
- No
[A]: No
Problem: TV Repair<br>Ian was proud of his expensive plasma television. He thought the picture was superior to the television sets sold today. He was quite distressed when the set stopped working one day. He learned from the internet a simple trick to get it to turn on. He was ecstatic when the picture reappeared after the procedure.

Based on the paragraph above can we conclude that "In the end, Ian was unable to fix the product."? OPTIONS:
- Yes
- It's impossible to say
- No

A: No
Q: The 2000 NCAA Division I-A football season was extremely intense.
The 2000 Oklahoma State Cowboys football team represented the Oklahoma State University during the 2000 NCAA Division I-A football season. They participated as members of the Big 12 Conference in the South Division. They played their home games at Lewis Field in Stillwater, Oklahoma. They were coached by head coach Bob Simmons, who resigned as the head coach of the Cowboys on November 6, 2000.
OPTIONS:
- Yes
- It's impossible to say
- No
A: It's impossible to say
Q: Many cool compound materials exhibit polymorphism
Many compound materials exhibit polymorphism, that is they can exist in different structures called polymorphs. Silicon carbide (SiC) is unique in this regard as more than 250 polymorphs of silicon carbide had been identified by 2006, with some of them having a lattice constant as long as 301.5nm, about one thousand times the usual SiC lattice spacings.
OPTIONS:
- Yes
- It's impossible to say
- No
A:
It's impossible to say