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

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

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