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

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

*GRAMMAR*
zup -> RED 
 tufa -> PURPLE 
 kiki -> BLUE 
 gazzer -> GREEN 
 x1 lug x2 -> [x2] [x1] 
 x1 fep -> [x1] [x1] [x1] 
 u1 wif x1 -> [x1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 