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

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

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