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

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

*GRAMMAR*
fep -> YELLOW 
 gazzer -> RED 
 lug -> BLUE 
 kiki -> PINK 
 x1 tufa x2 -> [x1] [x2] 
 u1 wif u2 -> [u1] [u2] 
 u1 zup u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 