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

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

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