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

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

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