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

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

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