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

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

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