*SUPPORT*
IN: wif tufa kiki blicket OUT: BLUE PURPLE YELLOW
IN: blicket kiki dax OUT: YELLOW GREEN
IN: blicket kiki wif OUT: YELLOW BLUE
IN: wif dax kiki wif OUT: BLUE GREEN BLUE
IN: blicket blicket tufa kiki dax OUT: YELLOW YELLOW PURPLE GREEN
IN: wif kiki blicket OUT: BLUE YELLOW
IN: wif OUT: BLUE
IN: tufa OUT: PURPLE
IN: wif kiki wif OUT: BLUE BLUE
IN: tufa gazzer wif OUT: BLUE PURPLE
IN: dax gazzer tufa gazzer wif OUT: BLUE PURPLE GREEN
IN: dax kiki tufa gazzer tufa OUT: PURPLE GREEN PURPLE
IN: blicket kiki tufa OUT: YELLOW PURPLE
IN: tufa kiki blicket OUT: PURPLE YELLOW

*QUERY*
IN: tufa fep gazzer dax OUT: GREEN PURPLE PURPLE
IN: dax OUT: GREEN
IN: blicket tufa tufa kiki tufa OUT: YELLOW PURPLE PURPLE PURPLE
IN: dax kiki wif fep OUT: GREEN BLUE GREEN BLUE
IN: blicket OUT: YELLOW
IN: tufa blicket fep gazzer dax OUT: GREEN PURPLE YELLOW PURPLE YELLOW
IN: wif kiki dax gazzer dax OUT: GREEN BLUE GREEN
IN: tufa tufa fep OUT: PURPLE PURPLE PURPLE PURPLE
IN: wif kiki blicket gazzer blicket fep OUT: YELLOW BLUE YELLOW YELLOW BLUE YELLOW
IN: dax wif kiki tufa OUT: GREEN BLUE PURPLE

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