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

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

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