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

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

*GRAMMAR*
wif -> PURPLE 
 gazzer -> PINK 
 zup -> YELLOW 
 tufa -> GREEN 
 u1 fep u2 -> [u1] [u2] [u2] 
 x1 lug -> [x1] [x1] 
 x1 dax u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 