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

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

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