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

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

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