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

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

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