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

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

*GRAMMAR*
kiki -> GREEN 
 dax -> RED 
 tufa -> PINK 
 gazzer -> PURPLE 
 u1 zup u2 -> [u2] [u1] [u2] [u1] [u2] 
 x1 wif u1 -> [u1] [x1] 
 x1 lug x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 