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

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

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