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

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

*GRAMMAR*
tufa -> RED 
 lug -> YELLOW 
 wif -> GREEN 
 kiki -> PURPLE 
 x1 gazzer -> [x1] [x1] 
 x1 fep u1 -> [x1] [u1] 
 x1 dax x2 -> [x1] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 