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

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

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