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

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

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