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

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

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