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

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

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