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

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

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