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

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

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