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

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

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