{
    "success": true,
    "response": "```json{  'leverage': false,  'derivatives': true,  'swaps': true,  'inverse': false,  'replication_method': 'physical',  'ucits': true,  'type': 'ETF',  'complex_factors': [    'Explicit use of swaps for investment purposes or alternatively to physical replication, introducing counterparty risk and valuation complexity',    'Underlying asset class of 'Fallen Angel' High Yield Bonds presents intricate credit, liquidity, and interest rate risks that are challenging for an average retail investor to fully comprehend.'  ],  'classification': 'complex',  'supporting_data': 'The fund is clearly identified as a UCITS ETF, benefiting from the general presumption of non-complexity under MiFID II. Its primary replication method is described as 'sampling' physical replication, which typically supports a non-complex classification. However, the Key Investor Information Document states that the Fund 'may also (or alternatively) invest in financial derivative instruments (FDIs) which relate to the Index or constituents of the Index', explicitly listing 'swaps (including fixed income swaps and swaps on the Index)'. According to the provided MiFID II complexity assessment rules, 'If any element of Contingent Bonds or any Swap usage is identified then the classification must be 'complex''. The presence of swaps, even if used 'alternatively' to physical replication or for efficient portfolio management (as some regulators interpret any derivative use, especially with counterparty risk, as complex), directly triggers the complex classification as per this specific rule. Furthermore, the fund invests in 'Fallen Angel High Yield Bond' securities, which are 'below investment grade corporate fixed rate debt instruments' (commonly known as junk bonds). The KID highlights 'High Yield Securities Risk', 'Credit Risk', and 'Interest Rate Risk', noting their sensitivity to economic changes and less liquid secondary markets. While market risk alone does not imply complexity, the specific nature of 'Fallen Angel' bonds (previously investment grade but downgraded) and the layered risks associated with high-yield debt can make their dynamics and potential impact on the ETF's performance difficult for a retail investor with basic knowledge to fully grasp, aligning with the 'ease of understanding' criterion for complex products. The ESMA guidance (CESR/09-295, paragraph 49) reinforces that the complexity of an instrument is determined by its structure and how easily its risk can be understood, giving examples of securitised debt with complex underlying assets being classified as complex. Therefore, the explicit mention of swap usage, combined with the inherent complexity of the underlying high-yield 'Fallen Angel' bond market, leads to a 'complex' classification for this UCITS ETF.'}```",
    "note": "Response was not in expected JSON format"
}