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

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

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