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

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

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