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

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

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