*SUPPORT*
IN: tufa wif OUT: RED BLUE
IN: gazzer zup OUT: GREEN GREEN
IN: blicket tufa zup OUT: PINK RED RED
IN: gazzer dax blicket OUT: GREEN PINK PINK
IN: wif wif dax wif OUT: BLUE BLUE BLUE BLUE
IN: tufa kiki tufa dax tufa OUT: RED RED RED RED
IN: tufa dax blicket OUT: RED PINK PINK
IN: blicket zup OUT: PINK PINK
IN: blicket OUT: PINK
IN: gazzer OUT: GREEN
IN: tufa kiki blicket kiki gazzer OUT: GREEN PINK RED
IN: blicket kiki gazzer zup OUT: GREEN GREEN PINK
IN: tufa kiki blicket zup OUT: PINK PINK RED
IN: wif tufa dax tufa OUT: BLUE RED RED RED

*QUERY*
IN: tufa dax tufa OUT: RED RED RED
IN: gazzer tufa dax wif OUT: GREEN RED BLUE BLUE
IN: gazzer tufa OUT: GREEN RED
IN: tufa OUT: RED
IN: gazzer kiki tufa OUT: RED GREEN
IN: gazzer dax gazzer OUT: GREEN GREEN GREEN
IN: wif dax wif OUT: BLUE BLUE BLUE
IN: gazzer gazzer kiki blicket zup OUT: GREEN PINK PINK GREEN
IN: wif OUT: BLUE
IN: wif tufa dax wif OUT: BLUE RED BLUE BLUE

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