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

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

*GRAMMAR*
wif -> GREEN 
 lug -> YELLOW 
 zup -> RED 
 tufa -> PURPLE 
 x1 dax x2 -> [x1] [x2] 
 u1 kiki -> [u1] [u1] [u1] [u1] [u1] 
 u1 gazzer -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 