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

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

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