With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Avril Lavigne wrote the song Complicated.
text_B: `` Complicated '' is the debut single by Canadian singer-songwriter Avril Lavigne , released in 2002 from her debut album , Let Go .. Avril Lavigne. Avril Lavigne. Let Go. Let Go ( Avril Lavigne album ). It was written by Lavigne and The Matrix -LRB- Scott Spock , Lauren Christy , and Graham Edwards -RRB- , and produced by The Matrix .. The Matrix. The Matrix ( record production team ). Lauren Christy. Lauren Christy. Scott Spock. Scott Spock. Graham Edwards. Graham Edwards ( musician ). The single reached number one in Australia -LRB- for six weeks -RRB- , New Zealand and Mexico -LRB- for nine weeks -RRB- , number two on the Billboard Hot 100 , behind `` Hot in Herre '' by Nelly and number three in the United Kingdom .. Australia. ARIA Chart. Hot in Herre. Hot in Herre. Nelly. Nelly. Based on its chart performance , the song is Lavigne 's second most successful single -LRB- only behind her 2007 single `` Girlfriend '' -RRB- and was one of the most successful releases of 2002 .. Girlfriend. Girlfriend ( Avril Lavigne song ). Lavigne broke a record set by Natalie Imbruglia 's `` Torn '' when `` Complicated '' held the number one spot on the Adult Top 40 chart for 16 weeks in a row .. Natalie Imbruglia. Natalie Imbruglia. Torn. Torn ( Natalie Imbruglia song ). Adult Top 40. Adult Top 40. `` Complicated '' was nominated for two Grammy Awards for Song of the Year and Best Female Pop Vocal Performance .. Grammy Awards. Grammy Awards. Song of the Year. Grammy Award for Song of the Year. Best Female Pop Vocal Performance. Best Female Pop Vocal Performance
related.