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

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

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