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

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

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