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

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

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