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

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

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