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

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

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