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

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

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