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

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

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