*SUPPORT*
IN: zup zup OUT: GREEN GREEN
IN: zup zup kiki tufa wif OUT: GREEN GREEN GREEN PURPLE
IN: gazzer fep tufa lug wif zup fep OUT: BLUE BLUE BLUE RED PURPLE GREEN GREEN GREEN
IN: wif gazzer wif tufa wif tufa gazzer OUT: PURPLE BLUE PURPLE PURPLE BLUE
IN: gazzer kiki OUT: BLUE BLUE
IN: gazzer fep OUT: BLUE BLUE BLUE
IN: zup fep OUT: GREEN GREEN GREEN
IN: wif fep OUT: PURPLE PURPLE PURPLE
IN: lug kiki OUT: RED RED
IN: gazzer gazzer OUT: BLUE BLUE
IN: wif kiki OUT: PURPLE PURPLE
IN: zup OUT: GREEN
IN: lug fep OUT: RED RED RED
IN: gazzer wif kiki OUT: BLUE PURPLE PURPLE

*QUERY*
IN: gazzer lug kiki OUT: BLUE RED RED
IN: wif gazzer OUT: PURPLE BLUE
IN: zup kiki OUT: GREEN GREEN
IN: wif lug fep OUT: PURPLE RED RED RED
IN: gazzer lug OUT: BLUE RED
IN: gazzer OUT: BLUE
IN: wif OUT: PURPLE
IN: lug lug kiki OUT: RED RED RED
IN: lug OUT: RED
IN: wif fep tufa zup OUT: PURPLE PURPLE PURPLE GREEN

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