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

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

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