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

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

*GRAMMAR*
lug -> GREEN 
 tufa -> BLUE 
 wif -> RED 
 gazzer -> YELLOW 
 u1 blicket u2 -> [u2] [u1] [u1] [u2] [u2] [u1] 
 x1 zup x2 -> [x2] [x1] 
 x1 fep -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 