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

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

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