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

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

*GRAMMAR*
blicket -> YELLOW 
 wif -> GREEN 
 kiki -> PURPLE 
 tufa -> BLUE 
 u1 fep u2 -> [u2] [u1] 
 x1 lug x2 -> [x2] [x1] [x1] 
 u1 gazzer u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 