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

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

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