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

Anti-Duhring (German: "Herrn Eugen Duhrings Umwalzung der Wissenschaft" , "Herr Eugen Duhring's Revolution in Science") is a book by Friedrich Engels, first published in German in 1878. It had previously been serialised in a periodical. There were two further German editions in Engels' lifetime. "Anti-Duhring" was first published in English translation in 1907.

OPTIONS:
- Yes
- It's impossible to say
- No
Hypothesis: Friedrich Engels sold millions of copies of his book Anti-Duhring
****
Answer:
It's impossible to say

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

Nelson is an American rock band founded by singer/songwriters Matthew and Gunnar Nelson (twin sons of Ricky Nelson and Kristin Nelson). The band achieved success during the early 1990s with their double platinum debut album "After the Rain", which featured the number-one hit "(Can't Live Without Your) Love and Affection".

OPTIONS:
- Yes
- It's impossible to say
- No
Hypothesis: Matthew and Gunnar Nelson loved to play (Can't Live Without Your) Love and Affection in a live setting.
****
Answer:
It's impossible to say

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

Yahoo Serious (born 27 July 1953), born Greg Gomez Pead (name-change by deed poll in 1980), is an Australian film actor, director, and score composer. He is best known for his 1988 comedy film "Young Einstein". He also created "Reckless Kelly" in 1993 and "Mr. Accident" in 2000. Serious writes, directs, produces, stars in, and has composed the scores for his movies.

OPTIONS:
- Yes
- It's impossible to say
- No
Hypothesis: Yahoo Serious changed his name for publicity.
****
Answer:
It's impossible to say