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

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

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