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

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

*GRAMMAR*
fep -> RED 
 blicket -> GREEN 
 dax -> BLUE 
 zup -> PINK 
 x1 wif x2 -> [x1] [x2] 
 x1 gazzer -> [x1] [x1] 
 x1 kiki x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 