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

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

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