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

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

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