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

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

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