With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Charlie Chaplin's mother was a patient at a psychiatric hospital.
text_B: `` Say It Is n't So '' was the third and final single to be released from Pop Idol runner-up. Pop. Pop music. Pop Idol. Pop Idol. Gareth Gates ' second studio album , Go Your Own Way .. Gareth Gates. Gareth Gates. Go Your Own Way. Go Your Own Way ( album ). The single was released on 8 December 2003 , peaking at # 4 on the UK Singles Chart .. UK Singles Chart. UK Singles Chart. The video for the song was shot in South Africa .
not_related.