[Q]: Barbro Martinsson (born 16 August 1935) is a former Swedish cross country skier who competed during the 1960s. Born in Valbo, she won two silver medals in the 3 x 5 km at the 1964 Winter Olympics and the 1968 Winter Olympics. Martinsson finished 4th in the 1968 Winter Olympics in both 5 km and 10 km. Martinsson was very wealthy from skiing. OPTIONS:
- Yes
- It's impossible to say
- No
[A]: It's impossible to say

Problem: American football strategy concerns the deployment of offensive, defensive, and special teams players and the execution of plays in American football. In American football, there are a vast array of positions, formations, strategies, plays and types of play calling systems that are utilized. If a strategy is for a particular game, it is known as a "game plan".

Based on the paragraph above can we conclude that "American football strategy will improve a teams performance."? OPTIONS:
- Yes
- It's impossible to say
- No

A: It's impossible to say

Q: Paul Hausser helped the jews
Paul Hausser (7 October 1880 21 December 1972) was a high-ranking commander in the Waffen-SS of Nazi Germany during World War II who played a key role in the post-war efforts by former members of the Waffen-SS to achieve historical and legal rehabilitation.
OPTIONS:
- Yes
- It's impossible to say
- No
A: It's impossible to say

Arturo Guzman Decena (a.k.a. Z-1) (13 January 1976 21 November 2002) was a Mexican Army Special Forces operative who in 1997 defected to the Gulf Cartel and subsequently founded the criminal syndicate's enforcement wing at the behest of drug baron Osiel Cardenas Guillen. Known today as Los Zetas, the cartel's armed wing ultimately broke apart and formed its own drug trafficking organization.
Decena was a hated man. OPTIONS:
- Yes
- It's impossible to say
- No
A: It's impossible to say

input hypothesis: Snufkin was not the only main character in Comet in Moominland, which was published before 1950.
Context: Comet in Moominland (Swedish: "Kometjakten" / "Mumintrollet pa kometjakt" / "Kometen kommer") is the second in Tove Jansson's series of Moomin books. Published in 1946, it marks the first appearance of several main characters, like Snufkin and the Snork Maiden.
OPTIONS:
- Yes
- It's impossible to say
- No
true or false: Yes

input hypothesis: Prove it is a single that was released by Stoneground.
Context: Hearts of Stone is the fifth studio album by American rock band Stoneground, released in 1978 on Warner Bros. Produced by Bob Gaudio, it marked Stoneground's return to a major label, having released their previous album, "Flat Out" (1976), on their own label. "Prove It" was released as the first single from "Hearts of Stone".
OPTIONS:
- Yes
- It's impossible to say
- No
true or false:
Yes