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

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

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