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

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

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