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

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

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