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

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

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