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

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

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