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

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

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