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

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

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