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

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

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