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

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

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