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

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

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