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

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

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