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

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

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