system: 
You are an expert in composing functions. You are given a question and a set of possible functions.
Based on the question, you will need to make one or more function/tool calls to achieve the purpose.
If none of the function can be used, point it out. If the given question lacks the parameters required by the function,
also point it out. You should only return the function call in tools call sections.

If you decide to invoke any of the function(s), you MUST put it in the format of [func_name1(params_name1=params_value1, params_name2=params_value2...), func_name2(params)]

You SHOULD NOT include any other text in the response.

Here is a list of functions in JSON format that you can invoke.

[{'name': 'Events_3_FindEvents', 'description': 'Find cultural events, including concerts and plays, happening in a specified city on a given date. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'required': ['event_type', 'city'], 'properties': {'event_type': {'type': 'string', 'description': 'The type of cultural event to search for.', 'enum': ['Music', 'Theater']}, 'city': {'type': 'string', 'description': "The city in which to search for events, formatted as 'City, State' (e.g., 'New York, NY')."}, 'date': {'type': 'string', 'description': "The date of the event, formatted as 'MM/DD/YYYY'. If not specified, the function will search for all upcoming events.", 'default': 'current date'}}}}, {'name': 'Events_3_BuyEventTickets', 'description': 'Purchase tickets for a specified cultural event on a certain date in a selected city. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'required': ['event_name', 'number_of_tickets', 'date', 'city'], 'properties': {'event_name': {'type': 'string', 'description': 'The name of the artist or play for which tickets are being purchased.'}, 'number_of_tickets': {'type': 'integer', 'description': 'The quantity of tickets to reserve for the event.'}, 'date': {'type': 'string', 'description': "The scheduled date of the event, in the format 'MM/DD/YYYY'."}, 'city': {'type': 'string', 'description': "The city where the event is being held, in the format 'City, State' (e.g., 'New York, NY')."}}}}, {'name': 'Messaging_1_ShareLocation', 'description': 'This function allows a user to send their current geographical location to a specified contact in their address book. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'properties': {'location': {'type': 'string', 'description': "The current geographical location of the user to share, in the format of 'Latitude, Longitude' (e.g., '37.7749, -122.4194')."}, 'contact_name': {'type': 'string', 'description': 'The full name of the contact to whom the location will be sent.'}}, 'required': ['location', 'contact_name']}}, {'name': 'Trains_1_GetTrainTickets', 'description': 'Reserve tickets for a train journey by providing journey details, the number of passengers, and seating class preferences. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'required': ['_from', 'to', 'date_of_journey', 'journey_start_time', 'number_of_adults', 'trip_protection'], 'properties': {'_from': {'type': 'string', 'description': "The departure city for the train journey, in the format of 'City, State', such as 'Los Angeles, CA'."}, 'to': {'type': 'string', 'description': "The arrival city for the train journey, in the format of 'City, State', such as 'New York, NY'."}, 'date_of_journey': {'type': 'string', 'description': "The date of the train journey in the format 'YYYY-MM-DD', such as '2023-04-15'."}, 'journey_start_time': {'type': 'string', 'description': "The start time of the train journey in 24-hour format 'HH:MM', such as '14:30'."}, 'number_of_adults': {'type': 'integer', 'description': 'The number of adults to reserve train tickets for. Must be between 1 to 5 adults.'}, 'trip_protection': {'type': 'boolean', 'description': 'Indicates whether to add trip protection to the reservation for an additional fee. Trip protection provides refund options and assistance in case of trip disruptions.'}, 'class': {'type': 'string', 'description': "The fare class for the train reservation. Options include 'Value', 'Flexible', and 'Business'.", 'enum': ['Value', 'Flexible', 'Business'], 'default': 'Value'}}}}, {'name': 'Trains_1_FindTrains', 'description': 'Finds available train options for a specified route on a given date, allowing users to select a preferred travel class. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'required': ['_from', 'to', 'date_of_journey'], 'properties': {'_from': {'type': 'string', 'description': "The city where the train journey will start. Eg: 'Berkeley, CA'. State names must be abbreviated."}, 'to': {'type': 'string', 'description': "The destination city for the train journey. Eg: 'Berkeley, CA'. State names must be abbreviated."}, 'date_of_journey': {'type': 'string', 'description': "The date of the train journey, in the format of 'YYYY-MM-DD'."}, 'class': {'type': 'string', 'description': 'The fare class for the train reservation.', 'enum': ['Value', 'Flexible', 'Business'], 'default': 'Value'}, 'number_of_adults': {'type': 'integer', 'description': 'The number of adults to reserve train tickets for.', 'default': 1}}}}]


user: I'm travelling for work on business and need to find train tickets from Sacramento to Fresno on the 10th of March 2023.

Available functions:
[{"name": "Events_3_FindEvents", "description": "Find cultural events, including concerts and plays, happening in a specified city on a given date.", "parameters": {"type": "dict", "required": ["event_type", "city"], "properties": {"event_type": {"type": "string", "description": "The type of cultural event to search for.", "enum": ["Music", "Theater"]}, "city": {"type": "string", "description": "The city in which to search for events, formatted as 'City, State' (e.g., 'New York, NY')."}, "date": {"type": "string", "description": "The date of the event, formatted as 'MM/DD/YYYY'. If not specified, the function will search for all upcoming events.", "default": "current date"}}}}, {"name": "Events_3_BuyEventTickets", "description": "Purchase tickets for a specified cultural event on a certain date in a selected city.", "parameters": {"type": "dict", "required": ["event_name", "number_of_tickets", "date", "city"], "properties": {"event_name": {"type": "string", "description": "The name of the artist or play for which tickets are being purchased."}, "number_of_tickets": {"type": "integer", "description": "The quantity of tickets to reserve for the event."}, "date": {"type": "string", "description": "The scheduled date of the event, in the format 'MM/DD/YYYY'."}, "city": {"type": "string", "description": "The city where the event is being held, in the format 'City, State' (e.g., 'New York, NY')."}}}}, {"name": "Messaging_1_ShareLocation", "description": "This function allows a user to send their current geographical location to a specified contact in their address book.", "parameters": {"type": "dict", "properties": {"location": {"type": "string", "description": "The current geographical location of the user to share, in the format of 'Latitude, Longitude' (e.g., '37.7749, -122.4194')."}, "contact_name": {"type": "string", "description": "The full name of the contact to whom the location will be sent."}}, "required": ["location", "contact_name"]}}, {"name": "Trains_1_GetTrainTickets", "description": "Reserve tickets for a train journey by providing journey details, the number of passengers, and seating class preferences.", "parameters": {"type": "dict", "required": ["_from", "to", "date_of_journey", "journey_start_time", "number_of_adults", "trip_protection"], "properties": {"_from": {"type": "string", "description": "The departure city for the train journey, in the format of 'City, State', such as 'Los Angeles, CA'."}, "to": {"type": "string", "description": "The arrival city for the train journey, in the format of 'City, State', such as 'New York, NY'."}, "date_of_journey": {"type": "string", "description": "The date of the train journey in the format 'YYYY-MM-DD', such as '2023-04-15'."}, "journey_start_time": {"type": "string", "description": "The start time of the train journey in 24-hour format 'HH:MM', such as '14:30'."}, "number_of_adults": {"type": "integer", "description": "The number of adults to reserve train tickets for. Must be between 1 to 5 adults."}, "trip_protection": {"type": "boolean", "description": "Indicates whether to add trip protection to the reservation for an additional fee. Trip protection provides refund options and assistance in case of trip disruptions."}, "class": {"type": "string", "description": "The fare class for the train reservation. Options include 'Value', 'Flexible', and 'Business'.", "enum": ["Value", "Flexible", "Business"], "default": "Value"}}}}, {"name": "Trains_1_FindTrains", "description": "Finds available train options for a specified route on a given date, allowing users to select a preferred travel class.", "parameters": {"type": "dict", "required": ["_from", "to", "date_of_journey"], "properties": {"_from": {"type": "string", "description": "The city where the train journey will start. Eg: 'Berkeley, CA'. State names must be abbreviated."}, "to": {"type": "string", "description": "The destination city for the train journey. Eg: 'Berkeley, CA'. State names must be abbreviated."}, "date_of_journey": {"type": "string", "description": "The date of the train journey, in the format of 'YYYY-MM-DD'."}, "class": {"type": "string", "description": "The fare class for the train reservation.", "enum": ["Value", "Flexible", "Business"], "default": "Value"}, "number_of_adults": {"type": "integer", "description": "The number of adults to reserve train tickets for.", "default": 1}}}}]

Ground-truth function call:
[{"Trains_1_FindTrains": {"_from": ["Sacramento, CA"], "to": ["Fresno, CA"], "date_of_journey": ["2023-03-10"]}}]