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

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

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