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

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

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