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

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

*GRAMMAR*
kiki -> RED 
 wif -> GREEN 
 lug -> YELLOW 
 dax -> PURPLE 
 x1 gazzer x2 -> [x2] [x2] [x1] 
 u1 fep u2 -> [u2] [u1] 
 u1 tufa -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 