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

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

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