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

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

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