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

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

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