input: Mermaid_(Train_song) | followedBy | Imagine_(John_Lennon_song)
target: The Train song Mermaid is followed by the John Lennon song Imagine.
references: The Train song Mermaid is followed by the John Lennon song Imagine. The song Mermaid by Train was followed by the release of Imagine by John Lennon performed by Train. Train followed Mermaid with Imagine, a song by John Lennon.