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

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

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