*SUPPORT*
IN: fep tufa wif lug lug OUT: BLUE PURPLE BLUE PURPLE BLUE PURPLE BLUE PURPLE
IN: wif dax tufa fep OUT: PURPLE RED BLUE
IN: fep tufa dax gazzer OUT: BLUE RED RED RED RED
IN: kiki OUT: GREEN
IN: fep tufa wif gazzer OUT: BLUE PURPLE PURPLE PURPLE PURPLE
IN: fep dax lug OUT: BLUE RED BLUE RED
IN: fep gazzer OUT: BLUE BLUE BLUE BLUE
IN: fep OUT: BLUE
IN: kiki tufa wif OUT: GREEN PURPLE
IN: kiki gazzer lug OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: kiki gazzer OUT: GREEN GREEN GREEN GREEN
IN: dax wif lug OUT: RED PURPLE RED PURPLE
IN: dax tufa dax OUT: RED RED
IN: fep gazzer lug OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE

*QUERY*
IN: fep kiki gazzer OUT: BLUE GREEN GREEN GREEN GREEN
IN: wif gazzer lug OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: wif wif gazzer OUT: PURPLE PURPLE PURPLE PURPLE PURPLE
IN: dax OUT: RED
IN: dax lug lug lug OUT: RED RED RED RED RED RED RED RED
IN: fep tufa kiki lug OUT: BLUE GREEN BLUE GREEN
IN: dax gazzer OUT: RED RED RED RED
IN: wif OUT: PURPLE
IN: wif tufa wif OUT: PURPLE PURPLE
IN: wif lug OUT: PURPLE PURPLE

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