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

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

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