*SUPPORT*
IN: lug kiki lug fep tufa OUT: GREEN PURPLE GREEN RED
IN: lug lug fep wif OUT: GREEN GREEN BLUE
IN: tufa zup OUT: RED RED
IN: lug zup OUT: GREEN GREEN
IN: tufa tufa fep wif OUT: RED RED BLUE
IN: wif blicket OUT: BLUE BLUE
IN: lug kiki blicket OUT: GREEN PURPLE PURPLE
IN: lug OUT: GREEN
IN: lug wif fep wif OUT: GREEN BLUE BLUE
IN: kiki zup OUT: PURPLE PURPLE
IN: kiki fep kiki OUT: PURPLE PURPLE
IN: kiki wif kiki lug OUT: PURPLE BLUE PURPLE GREEN
IN: kiki tufa fep kiki OUT: PURPLE RED PURPLE
IN: lug fep kiki OUT: GREEN PURPLE

*QUERY*
IN: kiki kiki wif blicket OUT: PURPLE PURPLE BLUE BLUE
IN: tufa OUT: RED
IN: tufa lug zup OUT: RED GREEN GREEN
IN: wif zup OUT: BLUE BLUE
IN: wif OUT: BLUE
IN: lug blicket OUT: GREEN GREEN
IN: kiki blicket OUT: PURPLE PURPLE
IN: tufa blicket OUT: RED RED
IN: tufa fep lug OUT: RED GREEN
IN: lug lug lug OUT: GREEN GREEN GREEN

*GRAMMAR*
tufa -> RED 
 lug -> GREEN 
 wif -> BLUE 
 kiki -> PURPLE 
 u1 zup -> [u1] [u1] 
 u1 fep u2 -> [u1] [u2] 
 u1 blicket -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 