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

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

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