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

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

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