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

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

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