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

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

*GRAMMAR*
blicket -> GREEN 
 lug -> BLUE 
 kiki -> YELLOW 
 wif -> PINK 
 x1 tufa x2 -> [x2] [x1] [x1] 
 u1 zup u2 -> [u1] [u2] 
 u1 dax x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 