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

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

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