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

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

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