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

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

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