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

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

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