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

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

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