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

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

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