*SUPPORT*
IN: tufa dax gazzer dax tufa zup OUT: GREEN RED GREEN GREEN GREEN
IN: gazzer zup OUT: RED RED RED
IN: fep dax fep wif dax fep zup OUT: YELLOW YELLOW BLUE YELLOW YELLOW YELLOW
IN: gazzer dax wif OUT: RED BLUE
IN: tufa tufa OUT: GREEN GREEN
IN: fep zup OUT: YELLOW YELLOW YELLOW
IN: fep dax fep dax gazzer gazzer dax wif OUT: YELLOW YELLOW RED RED BLUE
IN: fep dax tufa zup OUT: YELLOW GREEN GREEN GREEN
IN: gazzer blicket OUT: RED RED
IN: gazzer dax fep zup blicket OUT: RED YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: gazzer dax wif dax fep zup OUT: RED BLUE YELLOW YELLOW YELLOW
IN: tufa fep dax gazzer fep dax fep zup OUT: GREEN YELLOW RED YELLOW YELLOW YELLOW YELLOW
IN: wif zup OUT: BLUE BLUE BLUE
IN: tufa blicket OUT: GREEN GREEN

*QUERY*
IN: gazzer OUT: RED
IN: fep gazzer zup OUT: YELLOW RED RED RED
IN: tufa dax fep zup OUT: GREEN YELLOW YELLOW YELLOW
IN: gazzer zup blicket OUT: RED RED RED RED RED RED
IN: gazzer dax wif zup OUT: RED BLUE BLUE BLUE
IN: tufa OUT: GREEN
IN: wif wif OUT: BLUE BLUE
IN: tufa zup blicket OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: fep OUT: YELLOW
IN: tufa fep gazzer wif zup OUT: GREEN YELLOW RED BLUE BLUE BLUE

*GRAMMAR*
wif -> BLUE 
 gazzer -> RED 
 fep -> YELLOW 
 tufa -> GREEN 
 u1 dax x1 -> [u1] [x1] 
 u1 zup -> [u1] [u1] [u1] 
 x1 blicket -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 