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

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

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