*SUPPORT*
IN: fep wif zup fep OUT: YELLOW YELLOW YELLOW YELLOW
IN: gazzer OUT: GREEN
IN: tufa lug kiki OUT: PURPLE BLUE PURPLE BLUE
IN: gazzer wif OUT: GREEN GREEN
IN: gazzer kiki OUT: GREEN GREEN
IN: tufa wif kiki OUT: PURPLE PURPLE PURPLE PURPLE
IN: tufa wif zup tufa OUT: PURPLE PURPLE PURPLE PURPLE
IN: fep lug zup gazzer OUT: YELLOW BLUE GREEN GREEN
IN: gazzer lug tufa gazzer kiki OUT: GREEN BLUE PURPLE GREEN GREEN BLUE PURPLE GREEN
IN: gazzer zup lug OUT: GREEN BLUE BLUE
IN: fep fep wif kiki OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: lug zup fep kiki OUT: BLUE YELLOW YELLOW BLUE YELLOW YELLOW
IN: tufa wif OUT: PURPLE PURPLE
IN: fep OUT: YELLOW

*QUERY*
IN: fep wif OUT: YELLOW YELLOW
IN: lug wif OUT: BLUE BLUE
IN: gazzer fep OUT: GREEN YELLOW
IN: fep tufa kiki OUT: YELLOW PURPLE YELLOW PURPLE
IN: gazzer gazzer kiki OUT: GREEN GREEN GREEN GREEN
IN: lug OUT: BLUE
IN: lug lug wif kiki OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: tufa OUT: PURPLE
IN: gazzer lug wif OUT: GREEN BLUE BLUE
IN: lug zup lug kiki OUT: BLUE BLUE BLUE BLUE BLUE BLUE

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