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

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

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