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

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

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