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

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

*GRAMMAR*
tufa -> BLUE 
 blicket -> RED 
 fep -> GREEN 
 dax -> PINK 
 x1 wif x2 -> [x2] [x1] 
 x1 zup -> [x1] [x1] [x1] 
 u1 lug u2 -> [u1] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 