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

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

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