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

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

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