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

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

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