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

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

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