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

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

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