HAMiSoN-Ensemble at ClimateActivism 2024: Ensemble of RoBERTa, Llama 2, and Multi-task for Stance Detection - Rodriguez-Garcia, R.; Reyes-Montesinos, J.; Fraile-Hernandez, J.M.; Peñas, A. (CASE 2024 - 7th Workshop on Challenges and Applications of Automated Extraction of Socio-Political Events from Text, Proceedings of the Workshop, 2024)