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

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

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