*SUPPORT*
IN: lug wif tufa OUT: PINK GREEN PINK GREEN
IN: gazzer lug OUT: RED PINK
IN: gazzer lug lug zup tufa OUT: RED PINK PINK YELLOW RED PINK PINK YELLOW
IN: lug kiki OUT: PINK PINK PINK PINK PINK
IN: zup kiki OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: gazzer kiki OUT: RED RED RED RED RED
IN: wif gazzer OUT: GREEN RED
IN: wif wif OUT: GREEN GREEN
IN: gazzer wif kiki OUT: RED GREEN GREEN GREEN GREEN GREEN
IN: lug zup fep wif tufa OUT: GREEN GREEN GREEN GREEN PINK YELLOW
IN: zup OUT: YELLOW
IN: wif gazzer kiki OUT: GREEN RED RED RED RED RED
IN: zup wif OUT: YELLOW GREEN
IN: wif kiki OUT: GREEN GREEN GREEN GREEN GREEN

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

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