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

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

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