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

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

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