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

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

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