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

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

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