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

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

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