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

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

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