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

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

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