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

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

*GRAMMAR*
wif -> BLUE 
 zup -> PURPLE 
 gazzer -> YELLOW 
 fep -> GREEN 
 u1 dax -> [u1] [u1] 
 x1 tufa x2 -> [x2] [x1] [x2] 
 u1 lug -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 