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

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

*GRAMMAR*
fep -> PURPLE 
 kiki -> GREEN 
 lug -> YELLOW 
 zup -> PINK 
 x1 tufa x2 -> [x1] [x2] 
 x1 wif -> [x1] [x1] 
 u1 gazzer u2 -> [u1] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 