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

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

*GRAMMAR*
fep -> PURPLE 
 wif -> GREEN 
 dax -> YELLOW 
 zup -> PINK 
 x1 lug x2 -> [x2] [x1] 
 u1 tufa -> [u1] [u1] 
 u1 blicket -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 