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

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

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