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

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

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