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

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

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