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

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

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