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

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

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