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

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

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