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

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

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