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

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

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