Context:
In symbolic computation (or computer algebra), at the intersection of mathematics and computer science, the Risch algorithm is an algorithm for indefinite integration. It is used in some computer algebra systems to find antiderivatives. It is named after the American mathematician Robert Henry Risch, a specialist in computer algebra who developed it in 1968.
Hypothesis: Robert Henry Risch is the father of computer algebra OPTIONS:
- Yes
- It's impossible to say
- No
It's impossible to say

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

George Palmer Putnam (September 7, 1887 January 4, 1950) was an American publisher, author and explorer. Known for his marriage to (and being the widower of) Amelia Earhart, he had also achieved fame as one of the most successful promoters in the United States during the 1930s.

Sentence: Putnam married Earhart when he was 26.

Output: It's impossible to say

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

Buddleja alata is endemic to western Szechuan, China, growing at elevations of 1,3003,000m; it was first described and named by Rehder and Wilson in 1913. Leeuwenberg found the plant to be such a perfect intermediate of "Buddleja albiflora" and "Buddleja nivea" as to consider it a hybrid of the two species.

OPTIONS:
- Yes
- It's impossible to say
- No
Hypothesis: Buddleja alata is typically found in western Szechuan, China at elevations as low as 1,100 m.
****
Answer:
No

[Q]: U.S. Coast Guard Air Station San Diego (CGAS San Diego) is a Coast Guard Air Station based in San Diego, California, United States, across the street from San Diego International Airport. CGAS San Diego operates three MH-60T Jayhawk helicopters off the Coast Guard ramp. CGAS San Diego is actually located in San Fransico. OPTIONS:
- Yes
- It's impossible to say
- No
[A]: No

Problem: Annet Artani (" " in Greek), born 6 September 1976, is a Greek American singer and songwriter. She is best known for representing Cyprus in the Eurovision Song Contest 2006 with the song "Why Angels Cry", as well as co-writing the worldwide hit "Everytime" with Britney Spears.

Based on the paragraph above can we conclude that "Britney Spears wrote the hit "Everytime" alone."? OPTIONS:
- Yes
- It's impossible to say
- No

A: No

Context:
Lethal Weapon 4 is a 1998 American buddy cop action comedy film directed and produced by Richard Donner, and starring Mel Gibson, Danny Glover, Joe Pesci, Rene Russo, Chris Rock, and Jet Li (in his American film debut). It is the fourth and final installment in the "Lethal Weapon" series.
Hypothesis: Lethal Weapon 4 is a 20th century movie which some people like and some people do not. It starred Mel Gibson and Danny Glover. The film is a realistic portrayal of cop life. OPTIONS:
- Yes
- It's impossible to say
- No
It's impossible to say