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

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

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