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

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

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