*SUPPORT*
IN: zup gazzer tufa dax OUT: PINK GREEN RED
IN: fep OUT: PURPLE
IN: gazzer lug kiki OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: gazzer OUT: GREEN
IN: fep lug OUT: PURPLE PURPLE
IN: gazzer tufa dax OUT: GREEN RED
IN: zup tufa dax OUT: PINK RED
IN: dax tufa fep OUT: RED PURPLE
IN: zup fep tufa dax OUT: PINK PURPLE RED
IN: zup lug OUT: PINK PINK
IN: fep dax kiki OUT: PURPLE RED PURPLE RED PURPLE RED PURPLE RED
IN: dax lug kiki OUT: RED RED RED RED RED RED RED RED
IN: zup tufa zup OUT: PINK PINK
IN: fep tufa gazzer kiki OUT: PURPLE GREEN PURPLE GREEN PURPLE GREEN PURPLE GREEN

*QUERY*
IN: dax fep lug OUT: RED PURPLE PURPLE
IN: dax tufa dax OUT: RED RED
IN: zup OUT: PINK
IN: dax lug OUT: RED RED
IN: gazzer lug OUT: GREEN GREEN
IN: gazzer tufa zup OUT: GREEN PINK
IN: fep tufa fep kiki OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: dax fep fep OUT: RED PURPLE PURPLE
IN: gazzer tufa gazzer OUT: GREEN GREEN
IN: dax OUT: RED

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