With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Mel Gibson played a lead role in a movie.
text_B: `` It 's Been Awhile '' is a song recorded by American rock band Staind .. Staind. Staind. rock. Rock music. It was released in March 2001 as the lead single from their album Break the Cycle .. Break the Cycle. Break the Cycle. The song is Staind 's most successful and is their best-known song , becoming a No. 5 hit on the Billboard Hot 100 , their only song to reach the top 10 .. Staind. Staind. The song spent a second-best 20 weeks at No. 1 on the Billboard Hot Mainstream Rock Tracks chart -LRB- behind only `` Loser '' by 3 Doors Down -RRB- and a then-record 16 weeks at No. 1 on the Billboard Hot Modern Rock Tracks chart , beaten in 2007 by Foo Fighters with `` The Pretender '' .. Hot Mainstream Rock Tracks. Hot Mainstream Rock Tracks. Loser. Loser ( 3 Doors Down song ). 3 Doors Down. 3 Doors Down. Hot Modern Rock Tracks. Hot Modern Rock Tracks. Foo Fighters. Foo Fighters. The Pretender. The Pretender ( Foo Fighters song )
not_related.