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

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

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