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

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

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