Premise: G1 Climax . The G1 ( Grade One ) Climax is a professional wrestling tournament held each August by the New Japan Pro-Wrestling promotion . Though it has sometimes been held as a single-elimination tournament , it is usually ( and currently ) held as a round-robin , with winners from two blocks wrestling in the final to decide that year 's winner . In its current format , the tournament lasts four weeks .
Hypothesis: The G1 Climax is a tournament.
Label: ENTAILMENT