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

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

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