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

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

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