*SUPPORT*
IN: wif zup OUT: PURPLE PURPLE
IN: fep gazzer blicket OUT: YELLOW GREEN GREEN
IN: gazzer zup OUT: GREEN GREEN
IN: fep OUT: YELLOW
IN: dax dax OUT: PINK PINK
IN: gazzer blicket OUT: GREEN GREEN
IN: gazzer OUT: GREEN
IN: fep zup OUT: YELLOW YELLOW
IN: wif dax zup OUT: PURPLE PINK PINK
IN: wif blicket OUT: PURPLE PURPLE
IN: fep wif blicket OUT: YELLOW PURPLE PURPLE
IN: fep dax tufa gazzer OUT: YELLOW PINK GREEN
IN: wif tufa gazzer OUT: PURPLE GREEN
IN: gazzer gazzer OUT: GREEN GREEN

*QUERY*
IN: dax blicket OUT: PINK PINK
IN: gazzer tufa gazzer OUT: GREEN GREEN
IN: dax gazzer blicket OUT: PINK GREEN GREEN
IN: wif OUT: PURPLE
IN: gazzer tufa wif OUT: GREEN PURPLE
IN: dax OUT: PINK
IN: dax fep OUT: PINK YELLOW
IN: dax zup OUT: PINK PINK
IN: dax tufa gazzer OUT: PINK GREEN
IN: fep blicket OUT: YELLOW YELLOW

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