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

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

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