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

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

*GRAMMAR*
zup -> GREEN 
 lug -> PURPLE 
 tufa -> BLUE 
 fep -> RED 
 u1 kiki u2 -> [u2] [u1] 
 u1 gazzer -> [u1] [u1] 
 u1 wif u2 -> [u1] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 