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

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

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