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

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

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