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

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

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