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

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

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