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

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

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