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

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

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