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

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

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