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

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

*GRAMMAR*
lug -> PURPLE 
 zup -> BLUE 
 fep -> GREEN 
 dax -> YELLOW 
 x1 tufa -> [x1] [x1] 
 u1 wif u2 -> [u1] [u2] [u1] [u2] [u1] 
 x1 kiki x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 