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

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

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