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

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

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