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

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

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