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

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

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