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

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

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