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

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

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