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

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

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