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

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

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