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

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

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