*SUPPORT*
IN: wif OUT: PINK
IN: fep tufa wif OUT: PINK GREEN PINK
IN: lug kiki dax OUT: PURPLE BLUE
IN: fep lug blicket fep OUT: GREEN PURPLE GREEN
IN: fep OUT: GREEN
IN: dax blicket dax OUT: BLUE BLUE
IN: fep kiki lug OUT: GREEN PURPLE
IN: dax blicket lug OUT: BLUE PURPLE
IN: fep kiki wif tufa lug kiki fep OUT: GREEN PURPLE GREEN PINK PURPLE GREEN
IN: dax dax fep OUT: BLUE BLUE GREEN
IN: lug tufa wif tufa fep OUT: GREEN PINK GREEN PURPLE GREEN PINK GREEN
IN: lug kiki fep OUT: PURPLE GREEN
IN: wif kiki lug OUT: PINK PURPLE
IN: dax wif OUT: BLUE PINK

*QUERY*
IN: wif blicket fep OUT: PINK GREEN
IN: lug blicket fep OUT: PURPLE GREEN
IN: dax OUT: BLUE
IN: wif tufa wif blicket wif OUT: PINK PINK PINK PINK PINK
IN: dax kiki dax OUT: BLUE BLUE
IN: wif tufa lug blicket lug OUT: PURPLE PURPLE PINK PURPLE PURPLE
IN: lug lug dax blicket wif OUT: PURPLE PURPLE BLUE PINK
IN: wif blicket lug OUT: PINK PURPLE
IN: wif blicket dax OUT: PINK BLUE
IN: lug OUT: PURPLE

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