*SUPPORT*
IN: gazzer fep blicket fep kiki fep OUT: RED PINK PURPLE PINK PINK
IN: fep dax blicket OUT: PURPLE PINK
IN: lug blicket OUT: BLUE PURPLE
IN: gazzer kiki lug OUT: RED BLUE
IN: lug OUT: BLUE
IN: blicket OUT: PURPLE
IN: lug tufa blicket OUT: PURPLE BLUE PURPLE BLUE
IN: blicket lug kiki gazzer OUT: PURPLE BLUE RED
IN: fep fep dax gazzer kiki fep blicket OUT: RED PINK PURPLE PINK PINK
IN: blicket tufa lug OUT: BLUE PURPLE BLUE PURPLE
IN: fep fep fep OUT: PINK PINK PINK
IN: fep fep OUT: PINK PINK
IN: gazzer blicket OUT: RED PURPLE
IN: fep kiki fep tufa gazzer OUT: PINK RED PINK RED PINK

*QUERY*
IN: gazzer lug kiki gazzer OUT: RED BLUE RED
IN: fep dax gazzer OUT: RED PINK
IN: blicket kiki gazzer lug OUT: PURPLE RED BLUE
IN: fep gazzer kiki fep OUT: PINK RED PINK
IN: blicket kiki blicket dax gazzer OUT: PURPLE RED PURPLE
IN: blicket tufa gazzer OUT: RED PURPLE RED PURPLE
IN: fep kiki lug tufa fep OUT: PINK PINK BLUE PINK BLUE
IN: blicket kiki gazzer tufa lug OUT: PURPLE BLUE RED BLUE RED
IN: fep kiki gazzer fep lug dax blicket OUT: PINK PURPLE RED PINK BLUE
IN: fep OUT: PINK

*GRAMMAR*
gazzer -> RED 
 fep -> PINK 
 lug -> BLUE 
 blicket -> PURPLE 
 u1 kiki x1 -> [u1] [x1] 
 x1 dax x2 -> [x2] [x1] 
 x1 tufa u1 -> [u1] [x1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 