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

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

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