Problem: Rafael "Rafa" Nadal Parera (] , ] ; born 3 June 1986) is a Spanish professional tennis player, currently ranked World No. 1 in men's singles. Known as "The King of Clay", he is widely regarded as the greatest clay-court player in history. His evolution into an all-court threat has established him as one of the greatest tennis players ever.

Based on the paragraph above can we conclude that "Rafael "Rafa" Nadal Parera won at least one competition"? OPTIONS:
- Yes
- It's impossible to say
- No

A: Yes

Q: The most popular pokemon episode aired immediately after the Whitewater controversy
The Whitewater controversy, Whitewater scandal (or simply Whitewater), was an American political episode of the 1990s that began with an investigation into the real estate investments of Bill and Hillary Clinton and their associates, Jim McDougal and Susan McDougal, in the Whitewater Development Corporation, a failed business venture in the 1970s and 1980s.
OPTIONS:
- Yes
- It's impossible to say
- No
A: It's impossible to say

Jim Wilson was an Oklahoma Senator from District 3, which includes Adair, Cherokee and Sequoyah counties, from 2004 to 2012. He earlier was a member of the Oklahoma House of Representatives from 2000 through 2004. He ran unsuccessfully against Democratic Incumbent US Rep. Dan Boren in Oklahoma's 2nd Congressional District in the July 27 Democratic primary.
Jim Wilson was a senator for more than 5 years OPTIONS:
- Yes
- It's impossible to say
- No
A: Yes

input hypothesis: The Wild Bunch may have irritated some parents.
Context: The Wild Bunch is a computer game released in 1984 for the ZX Spectrum and 1985 for the Amstrad CPC by Firebird Software. Despite its name, it has no relation to the 1969 film but is set in the Wild West. The title refers to a fictitious gang of outlaws featured in the game, loosely based on the real Wild Bunch gang who were prominent in the 1890s.
OPTIONS:
- Yes
- It's impossible to say
- No
true or false: It's impossible to say

Context:
Cynosurus cristatus, Crested dog's-tail, is a short-lived perennial grass in the family Poaceae, characterised by a seed head that is flat on one side. It typically grows in species rich grassland. It thrives in a variety of soil types but avoids the acid and calcareous extremes of pH, and prefers well drained soils. It may be grown as an ornamental plant.
Hypothesis: Crested dog's-tail can only grow in species rich grassland. OPTIONS:
- Yes
- It's impossible to say
- No
No

Problem: Linguistics is the scientific study of language, and involves an analysis of language form, language meaning, and language in context. The earliest activities in the documentation and description of language have been attributed to the 4th century BCE Indian grammarian Panini, who wrote a formal description of the Sanskrit language in his "Astadhyayi ".

Based on the paragraph above can we conclude that "Linguistics is a study."? OPTIONS:
- Yes
- It's impossible to say
- No

A:
Yes