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

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

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