Consider the following pairs: Terms sometimes seen in news Context/Topic 1. Belle II experiment Artificial Intelligence 2. Blockchain technology Digital/Cryptocurrency 3. CRISPR-Cas9 Particle Physics Which of the pairs given above is/are correctly matched?

Let's examine each pair: 1. **Belle II experiment - Artificial Intelligence**: This pair is incorrectly matched. The Belle II experiment is a particle physics experiment located at the KEK laboratory in Japan. Its primary goal is to study B meson decays to search for new physics phenomena beyond the Standard Model. It has no primary direct connection to Artificial Intelligence as its core subject, although AI tools might be used in data analysis. 2. **Blockchain technology - Digital/Cryptocurrency**: This pair is correctly matched. Blockchain is the foundational distributed ledger technology that underpins cryptocurrencies like Bitcoin and Ethereum. It provides a secure, decentralized, and transparent record-keeping system for digital transactions. 3. **CRISPR-Cas9 - Particle Physics**: This pair is incorrectly matched. CRISPR-Cas9 is a revolutionary gene-editing technology. It is a powerful tool used in molecular biology and genetic engineering to precisely edit DNA sequences, and it belongs to the field of biotechnology or life sciences, not particle physics. Therefore, only pair 2 is correctly matched.