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

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

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