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

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

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