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

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

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