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

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

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