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

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

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