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

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

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