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

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

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