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

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

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