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

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

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