Please find out first_name about a person, please remember that first name is the first name of a person example: Input: '''NAME_1 and NAME_2 are friends''' Ourput: {"first_name": "NAME_1"}, {"first_name": "NAME_2"} Please give me the Output based on below Input ''' My name is NAME_3. My sister's name is NAME_4. My brother's name NAME_5. My dog's name is Spot '''