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

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

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