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

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

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