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

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

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