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

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

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