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

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

*GRAMMAR*
zup -> GREEN 
 blicket -> PINK 
 dax -> RED 
 fep -> PURPLE 
 u1 wif u2 -> [u2] [u1] 
 x1 kiki -> [x1] [x1] 
 x1 gazzer x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 