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

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

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