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

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

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