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

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

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