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

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

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