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

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

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