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

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

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