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

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

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