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

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

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