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

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

*GRAMMAR*
blicket -> YELLOW 
 zup -> BLUE 
 lug -> GREEN 
 wif -> RED 
 x1 fep u1 -> [x1] [x1] [u1] 
 u1 tufa -> [u1] [u1] [u1] 
 x1 kiki x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 