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

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

*GRAMMAR*
lug -> BLUE 
 tufa -> YELLOW 
 kiki -> RED 
 gazzer -> GREEN 
 x1 blicket x2 -> [x1] [x2] 
 x1 zup u1 -> [u1] [x1] 
 u1 wif u2 -> [u2] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 