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

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

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