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

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

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