*SUPPORT*
IN: fep kiki wif OUT: PURPLE RED
IN: wif kiki tufa OUT: GREEN PURPLE
IN: tufa gazzer OUT: GREEN GREEN
IN: dax kiki wif OUT: PURPLE PINK
IN: fep dax OUT: RED PINK
IN: dax fep kiki fep gazzer OUT: PINK RED RED PINK RED RED
IN: fep fep gazzer gazzer OUT: RED RED RED RED RED RED RED RED
IN: tufa kiki fep OUT: RED GREEN
IN: dax OUT: PINK
IN: dax kiki fep OUT: RED PINK
IN: dax kiki tufa OUT: GREEN PINK
IN: dax gazzer OUT: PINK PINK
IN: tufa tufa fep kiki fep OUT: GREEN GREEN RED RED
IN: tufa kiki wif gazzer OUT: PURPLE GREEN PURPLE GREEN

*QUERY*
IN: fep kiki tufa gazzer OUT: GREEN RED GREEN RED
IN: tufa wif dax blicket OUT: GREEN PURPLE PINK PINK
IN: wif blicket OUT: PURPLE PURPLE
IN: tufa dax OUT: GREEN PINK
IN: dax blicket OUT: PINK PINK
IN: tufa tufa blicket OUT: GREEN GREEN GREEN
IN: fep kiki dax OUT: PINK RED
IN: dax dax wif blicket OUT: PINK PINK PURPLE PURPLE
IN: tufa blicket OUT: GREEN GREEN
IN: fep blicket OUT: RED RED

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