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

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

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