*SUPPORT*
IN: wif dax OUT: BLUE BLUE BLUE BLUE BLUE
IN: lug dax fep wif OUT: YELLOW YELLOW YELLOW YELLOW YELLOW BLUE
IN: lug dax OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: gazzer tufa OUT: GREEN GREEN
IN: lug OUT: YELLOW
IN: wif tufa fep gazzer fep lug fep lug OUT: BLUE BLUE GREEN YELLOW YELLOW
IN: gazzer wif zup OUT: GREEN BLUE PURPLE
IN: lug tufa fep gazzer OUT: YELLOW YELLOW GREEN
IN: gazzer fep gazzer OUT: GREEN GREEN
IN: gazzer zup OUT: GREEN PURPLE
IN: wif OUT: BLUE
IN: wif tufa fep wif OUT: BLUE BLUE BLUE
IN: zup OUT: PURPLE
IN: gazzer wif tufa OUT: GREEN BLUE BLUE

*QUERY*
IN: gazzer gazzer tufa OUT: GREEN GREEN GREEN
IN: gazzer dax OUT: GREEN GREEN GREEN GREEN GREEN
IN: gazzer OUT: GREEN
IN: gazzer zup dax OUT: GREEN PURPLE PURPLE PURPLE PURPLE PURPLE
IN: zup dax OUT: PURPLE PURPLE PURPLE PURPLE PURPLE
IN: wif tufa OUT: BLUE BLUE
IN: wif zup dax OUT: BLUE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: gazzer wif dax OUT: GREEN BLUE BLUE BLUE BLUE BLUE
IN: zup tufa OUT: PURPLE PURPLE
IN: lug tufa OUT: YELLOW YELLOW

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