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

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

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