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

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

*GRAMMAR*
fep -> RED 
 lug -> BLUE 
 dax -> PINK 
 zup -> GREEN 
 u1 tufa u2 -> [u2] [u1] 
 x1 wif u1 -> [u1] [x1] 
 u1 blicket -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 