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

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

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