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

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

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