*SUPPORT*
IN: gazzer dax tufa fep OUT: YELLOW PINK YELLOW PINK YELLOW PINK
IN: gazzer dax gazzer OUT: PINK PINK
IN: tufa dax kiki OUT: BLUE YELLOW
IN: wif dax wif OUT: GREEN GREEN
IN: gazzer zup tufa OUT: PINK YELLOW PINK PINK
IN: kiki wif OUT: BLUE GREEN
IN: kiki wif gazzer OUT: BLUE GREEN PINK
IN: kiki dax kiki OUT: BLUE BLUE
IN: wif dax wif fep OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: tufa OUT: YELLOW
IN: kiki zup wif OUT: BLUE GREEN BLUE BLUE
IN: wif tufa gazzer tufa OUT: GREEN YELLOW PINK YELLOW
IN: kiki zup gazzer OUT: BLUE PINK BLUE BLUE
IN: kiki OUT: BLUE

*QUERY*
IN: kiki fep OUT: BLUE BLUE BLUE
IN: wif dax gazzer OUT: PINK GREEN
IN: wif zup wif OUT: GREEN GREEN GREEN GREEN
IN: wif zup kiki OUT: GREEN BLUE GREEN GREEN
IN: kiki dax wif OUT: GREEN BLUE
IN: kiki zup tufa OUT: BLUE YELLOW BLUE BLUE
IN: kiki dax gazzer OUT: PINK BLUE
IN: gazzer OUT: PINK
IN: kiki dax wif fep OUT: GREEN BLUE GREEN BLUE GREEN BLUE
IN: gazzer fep OUT: PINK PINK PINK

*GRAMMAR*
tufa -> YELLOW 
 gazzer -> PINK 
 wif -> GREEN 
 kiki -> BLUE 
 u1 dax u2 -> [u2] [u1] 
 u1 zup u2 -> [u1] [u2] [u1] [u1] 
 x1 fep -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 