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

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

*GRAMMAR*
wif -> GREEN 
 fep -> PURPLE 
 gazzer -> YELLOW 
 tufa -> RED 
 u1 zup -> [u1] [u1] 
 u1 dax u2 -> [u1] [u1] [u2] 
 u1 kiki x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 