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

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

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