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

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

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