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

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

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