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

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

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