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

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

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