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

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

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