[
    {
        "query": "president obama vows to work with congress on immigration reform .",
        "response": "obama pledges to collaborate with congress on immigration overhaul ."
    },
    {
        "query": "britain votes to leave european union .",
        "response": "uk votes to leave eu ."
    },
    {
        "query": "russian president putin signs law banning adoption of russian children by u.s. citizens .",
        "response": "putin bans u.s. adoptions of russian children ."
    }
]