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

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

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