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

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

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