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

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

*GRAMMAR*
fep -> GREEN 
 kiki -> YELLOW 
 wif -> PURPLE 
 tufa -> RED 
 x1 lug -> [x1] [x1] [x1] 
 u1 gazzer u2 -> [u1] [u2] 
 x1 zup x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 