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

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

*GRAMMAR*
fep -> RED 
 kiki -> PINK 
 wif -> BLUE 
 gazzer -> GREEN 
 x1 tufa x2 -> [x2] [x2] [x1] [x1] 
 x1 blicket u1 -> [u1] [x1] 
 u1 zup -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 