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

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

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