*SUPPORT*
IN: wif gazzer OUT: YELLOW YELLOW
IN: fep tufa OUT: PINK PINK
IN: fep gazzer OUT: PINK PINK
IN: dax gazzer OUT: PURPLE PURPLE
IN: fep lug zup dax OUT: PINK PURPLE BLUE BLUE PURPLE
IN: fep OUT: PINK
IN: lug gazzer OUT: BLUE BLUE
IN: fep zup wif OUT: YELLOW PINK PINK YELLOW
IN: lug wif zup lug OUT: BLUE BLUE YELLOW YELLOW BLUE
IN: lug fep gazzer OUT: BLUE PINK PINK
IN: wif tufa OUT: YELLOW YELLOW
IN: dax fep wif fep lug gazzer OUT: PURPLE PINK YELLOW PINK BLUE BLUE
IN: lug tufa OUT: BLUE BLUE
IN: wif OUT: YELLOW

*QUERY*
IN: lug zup lug OUT: BLUE BLUE BLUE BLUE
IN: wif zup wif OUT: YELLOW YELLOW YELLOW YELLOW
IN: dax tufa OUT: PURPLE PURPLE
IN: lug OUT: BLUE
IN: dax zup wif OUT: YELLOW PURPLE PURPLE YELLOW
IN: wif zup lug OUT: BLUE YELLOW YELLOW BLUE
IN: wif dax zup dax OUT: YELLOW PURPLE PURPLE PURPLE PURPLE
IN: lug wif gazzer OUT: BLUE YELLOW YELLOW
IN: dax OUT: PURPLE
IN: fep fep tufa OUT: PINK PINK PINK

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