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

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

*GRAMMAR*
zup -> GREEN 
 fep -> YELLOW 
 gazzer -> PURPLE 
 lug -> BLUE 
 u1 kiki u2 -> [u2] [u1] [u2] [u1] 
 x1 tufa x2 -> [x2] [x1] 
 u1 wif u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 