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

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

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