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

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

*GRAMMAR*
lug -> YELLOW 
 fep -> PINK 
 zup -> RED 
 tufa -> BLUE 
 x1 dax x2 -> [x2] [x1] 
 u1 blicket u2 -> [u1] [u2] 
 u1 wif u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 