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

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

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