*SUPPORT*
IN: tufa kiki wif OUT: BLUE PINK
IN: zup fep tufa OUT: BLUE RED
IN: wif fep wif OUT: PINK PINK
IN: tufa OUT: BLUE
IN: lug kiki lug OUT: YELLOW YELLOW
IN: lug kiki zup OUT: YELLOW RED
IN: tufa gazzer OUT: BLUE BLUE
IN: wif gazzer OUT: PINK PINK
IN: zup kiki zup OUT: RED RED
IN: zup gazzer OUT: RED RED
IN: tufa fep lug OUT: YELLOW BLUE
IN: wif kiki zup OUT: PINK RED
IN: lug OUT: YELLOW
IN: wif kiki wif OUT: PINK PINK

*QUERY*
IN: lug zup fep tufa OUT: YELLOW BLUE RED
IN: lug zup kiki zup OUT: YELLOW RED RED
IN: wif OUT: PINK
IN: zup fep zup OUT: RED RED
IN: tufa kiki zup OUT: BLUE RED
IN: tufa lug tufa wif kiki zup OUT: BLUE YELLOW BLUE PINK RED
IN: lug gazzer OUT: YELLOW YELLOW
IN: lug fep tufa OUT: BLUE YELLOW
IN: tufa fep wif OUT: PINK BLUE
IN: tufa zup OUT: BLUE RED

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