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

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

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