*SUPPORT*
IN: wif wif fep blicket kiki OUT: RED RED PINK GREEN GREEN
IN: kiki kiki gazzer dax OUT: PURPLE PINK PINK PURPLE PURPLE PURPLE PINK PINK
IN: fep OUT: GREEN
IN: fep dax OUT: GREEN PURPLE
IN: fep blicket kiki OUT: PINK GREEN GREEN
IN: fep kiki blicket kiki OUT: GREEN PINK PINK PINK
IN: wif blicket kiki OUT: PINK RED RED
IN: fep blicket fep OUT: GREEN GREEN GREEN
IN: fep blicket fep lug fep OUT: GREEN GREEN GREEN GREEN
IN: dax blicket kiki OUT: PINK PURPLE PURPLE
IN: dax blicket dax OUT: PURPLE PURPLE PURPLE
IN: dax OUT: PURPLE
IN: dax gazzer dax OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: kiki lug fep OUT: PINK GREEN

*QUERY*
IN: dax gazzer fep OUT: GREEN PURPLE GREEN GREEN GREEN PURPLE
IN: dax dax OUT: PURPLE PURPLE
IN: wif lug fep OUT: RED GREEN
IN: fep gazzer fep OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: dax fep kiki fep blicket wif lug wif OUT: PURPLE GREEN PINK RED GREEN GREEN RED
IN: kiki OUT: PINK
IN: wif blicket fep OUT: GREEN RED RED
IN: dax kiki gazzer dax OUT: PURPLE PURPLE PINK PURPLE PURPLE PURPLE PURPLE PINK
IN: dax gazzer wif OUT: RED PURPLE RED RED RED PURPLE
IN: kiki blicket wif OUT: RED PINK PINK

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