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

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

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