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

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

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