*SUPPORT*
IN: lug blicket OUT: GREEN GREEN
IN: fep blicket OUT: BLUE BLUE
IN: tufa OUT: RED
IN: fep kiki tufa OUT: RED BLUE
IN: wif OUT: YELLOW
IN: fep dax OUT: BLUE BLUE
IN: tufa kiki wif dax OUT: YELLOW YELLOW RED
IN: wif dax OUT: YELLOW YELLOW
IN: wif kiki tufa blicket OUT: RED RED YELLOW
IN: tufa dax OUT: RED RED
IN: wif kiki lug kiki wif kiki fep wif OUT: BLUE YELLOW YELLOW GREEN YELLOW
IN: lug tufa tufa dax OUT: GREEN RED RED RED
IN: tufa blicket OUT: RED RED
IN: lug kiki fep dax OUT: BLUE BLUE GREEN

*QUERY*
IN: fep OUT: BLUE
IN: fep tufa tufa blicket OUT: BLUE RED RED RED
IN: fep tufa fep blicket OUT: BLUE RED BLUE BLUE
IN: wif wif kiki tufa OUT: YELLOW RED YELLOW
IN: lug kiki fep blicket OUT: BLUE BLUE GREEN
IN: lug OUT: GREEN
IN: wif wif kiki lug dax OUT: YELLOW GREEN GREEN YELLOW
IN: lug dax OUT: GREEN GREEN
IN: fep lug dax OUT: BLUE GREEN GREEN
IN: lug lug blicket OUT: GREEN GREEN GREEN

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