Question: The American singer-songwriter Taylor Swift released which album co-written by Max Martin and Shellback and inspired by the singer's "semi-toxic" relationships she experienced?
Sentence (from "Red (Taylor Swift album)"): The album title was inspired by the "semi-toxic relationships" that Swift experienced during the process of conceiving this album, which Swift described the emotions she felt as "red emotions" due to their intense and tumultuous nature.
Relevant evidence: Yes