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

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

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