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

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

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