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

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

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