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

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

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