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

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

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