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

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

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