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

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

*GRAMMAR*
lug -> PINK 
 dax -> RED 
 fep -> PURPLE 
 zup -> BLUE 
 u1 tufa u2 -> [u2] [u1] 
 u1 kiki x1 -> [x1] [u1] 
 x1 blicket u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 