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

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

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