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

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

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