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

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

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