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

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

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