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

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

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