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

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

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