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

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

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