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

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

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