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

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

*GRAMMAR*
tufa -> GREEN 
 zup -> BLUE 
 fep -> PINK 
 gazzer -> PURPLE 
 x1 dax u1 -> [x1] [u1] 
 x1 wif x2 -> [x2] [x1] 
 u1 kiki u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 