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

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

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