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

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

*GRAMMAR*
fep -> RED 
 tufa -> PURPLE 
 wif -> GREEN 
 zup -> BLUE 
 u1 gazzer u2 -> [u2] [u1] [u2] [u1] [u2] 
 u1 blicket -> [u1] [u1] [u1] [u1] 
 x1 lug -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 