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

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

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