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

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

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