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

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

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