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

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

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