Context:

You are analyzing whether one or more causal relationships are described in a sentence.

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Causal:
One condition or factor directly influences, enables, or determines another.  
This includes actions, requirements, or conditions of necessity or sufficiency.

Common language cues:
- increase, decrease, lead to, prevent, can, requires, necessary, essential, depends on, results in

Examples:
- "A larger farm size is necessary to achieve a living income."
- "Access to irrigation leads to higher crop yields."
- "To achieve a living income, farmers must diversify crops."

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Non-causal:  
The sentence does **not** describe a causal relationship.  
This includes unrelated statements, neutral descriptions, or associations without direct influence.

Examples:
- "Living income is associated with land size."
- "Yields vary with fertilizer use."
- "The farmer interviewed five neighbors."

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Task:

Consider the following sentence(s), which occur before the sentence to be analyzed:  
{context_window}

Now, read the following sentence:  
{sentence}

Does the sentence describe one or more causal relationships?

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Instructions:

1. Think through the logic of the sentence step by step, but provide only the final answer as a JSON object.
2. Use only these two terms: `causal` or `non-causal`.
3. If the sentence expresses multiple relationships, assign one label per relationship.
4. Respond in valid JSON using the following format:

{{
  "relationships": {{
    "relationship 1": "causal"
  }}
}}

