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

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

*GRAMMAR*
fep -> PURPLE 
 dax -> GREEN 
 zup -> BLUE 
 gazzer -> PINK 
 u1 blicket u2 -> [u2] [u1] 
 u1 wif x1 -> [u1] [x1] 
 u1 tufa x1 -> [x1] [x1] [u1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 