Jethro Tull
Table:
Jethro Tull

Origin	Blackpool, Lancashire, England, UK
Genres

Progressive rock
hard rock
blues rock
folk rock
electronic rock

Years active	1967–2012, 2017–present
Labels	Island, Reprise/Warner Bros., Chrysalis, Eagle, Fuel 2000, EMI
Associated acts	Fairport Convention, Lucia Micarelli, Steeleye Span, Blodwyn Pig, Wild Turkey
Website	jethrotull.com

Using the given table, judge whether the statement is entailed, neutral, or refuted according to the table. Output only the JSON object {"answer": "YOUR ANSWER"}.

Assertion: Jethro Tull were founded in North America twenty years ago.

answer: refuted