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

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

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