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

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

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