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

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

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