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

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

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