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

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

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