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

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

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