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

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

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