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

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

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