*SUPPORT*
IN: kiki gazzer fep lug kiki gazzer wif OUT: PINK GREEN BLUE GREEN
IN: kiki dax dax gazzer wif OUT: GREEN YELLOW BLUE YELLOW
IN: kiki gazzer wif OUT: BLUE GREEN
IN: fep gazzer dax OUT: YELLOW PINK
IN: wif gazzer kiki OUT: GREEN BLUE
IN: wif gazzer dax OUT: YELLOW BLUE
IN: dax OUT: YELLOW
IN: kiki gazzer fep tufa kiki OUT: GREEN PINK GREEN
IN: kiki OUT: GREEN
IN: dax kiki OUT: YELLOW GREEN
IN: dax gazzer fep OUT: PINK YELLOW
IN: wif tufa wif tufa dax OUT: YELLOW BLUE BLUE
IN: wif OUT: BLUE
IN: kiki lug fep lug wif tufa kiki OUT: GREEN PINK GREEN BLUE

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

*GRAMMAR*
kiki -> GREEN 
 wif -> BLUE 
 dax -> YELLOW 
 fep -> PINK 
 u1 gazzer u2 -> [u2] [u1] 
 x1 lug x2 -> [x1] [x2] 
 x1 tufa u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 