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

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

*GRAMMAR*
dax -> YELLOW 
 tufa -> RED 
 gazzer -> BLUE 
 blicket -> GREEN 
 u1 wif u2 -> [u1] [u2] 
 u1 zup x1 -> [x1] [x1] [u1] 
 u1 lug x1 -> [x1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 