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

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

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