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

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

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