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

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

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