Four shiny new green-and-yellow John Deere combines parked at this 1,750-hectare ( 4,325-acre ) farm in the grain-growing regions south of Kiev do n't fill its chief agronomist with enthusiasm .
<response> Four shiny new green-and-yellow <person>John Deere</person> combines parked at this 1,750-hectare ( 4,325-acre ) farm in the grain-growing regions south of <location>Kiev</location> do n't fill its chief agronomist with enthusiasm . </response>