*SUPPORT*
IN: fep gazzer OUT: RED RED RED
IN: kiki wif zup OUT: YELLOW PINK
IN: zup fep kiki OUT: YELLOW RED PINK
IN: zup blicket OUT: YELLOW YELLOW
IN: fep blicket OUT: RED RED
IN: dax blicket OUT: GREEN GREEN
IN: kiki blicket OUT: PINK PINK
IN: fep wif kiki OUT: PINK RED
IN: kiki zup OUT: PINK YELLOW
IN: zup OUT: YELLOW
IN: fep wif fep OUT: RED RED
IN: fep kiki wif fep OUT: RED RED PINK
IN: dax gazzer OUT: GREEN GREEN GREEN
IN: fep OUT: RED

*QUERY*
IN: zup gazzer OUT: YELLOW YELLOW YELLOW
IN: dax wif kiki OUT: PINK GREEN
IN: kiki wif fep OUT: RED PINK
IN: dax wif dax OUT: GREEN GREEN
IN: zup fep OUT: YELLOW RED
IN: dax wif fep OUT: RED GREEN
IN: dax OUT: GREEN
IN: kiki zup wif dax OUT: PINK GREEN YELLOW
IN: kiki gazzer OUT: PINK PINK PINK
IN: zup zup gazzer OUT: YELLOW YELLOW YELLOW YELLOW

*GRAMMAR*
fep -> RED 
 zup -> YELLOW 
 kiki -> PINK 
 dax -> GREEN 
 u1 gazzer -> [u1] [u1] [u1] 
 u1 blicket -> [u1] [u1] 
 u1 wif u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 