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

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

*GRAMMAR*
gazzer -> PINK 
 tufa -> GREEN 
 kiki -> YELLOW 
 zup -> RED 
 x1 dax -> [x1] [x1] [x1] 
 u1 wif -> [u1] [u1] 
 u1 fep u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 