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

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

*GRAMMAR*
dax -> YELLOW 
 wif -> PURPLE 
 tufa -> GREEN 
 fep -> BLUE 
 u1 blicket -> [u1] [u1] 
 u1 lug x1 -> [u1] [x1] 
 u1 zup u2 -> [u2] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 