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

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

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