Premise: Pirates of the Caribbean (film series) . The third film in the series , subtitled At World 's End , followed in 2007 , and Disney released a fourth film , subtitled On Stranger Tides , in 2011 in conventional 2D , Digital 3-D and IMAX 3D .
Hypothesis: Pirates of the Caribbean (film series)'s second film was subtitled At World's End.
Label: CONTRADICTION