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

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

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