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

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

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