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

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

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