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

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

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