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

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

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