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

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

*GRAMMAR*
lug -> RED 
 zup -> PURPLE 
 gazzer -> BLUE 
 tufa -> GREEN 
 x1 kiki -> [x1] [x1] 
 u1 fep u2 -> [u1] [u2] 
 x1 wif u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 