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

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

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