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

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

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