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

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

*GRAMMAR*
fep -> BLUE 
 kiki -> PINK 
 tufa -> GREEN 
 lug -> RED 
 x1 gazzer x2 -> [x2] [x1] [x2] 
 u1 zup -> [u1] [u1] [u1] 
 x1 wif -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 