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

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

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