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

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

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