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

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

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