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

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

*GRAMMAR*
zup -> BLUE 
 gazzer -> PINK 
 fep -> GREEN 
 kiki -> YELLOW 
 u1 dax u2 -> [u1] [u2] 
 u1 tufa -> [u1] [u1] [u1] 
 x1 wif x2 -> [x2] [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 