Connotation is your personal feelings or attitudes towards a word. So, usually, hatred has a negative connotation because it represents such a negative feeling. Converely, love has a positive connotation. Having this in mind, in 1. the word that has a positive connotation is exhilirated, because that means extremely happy. Mosses and bulb have a neutral connotation, because you don't generally have strong feelings about these things, whereas frail can have a negative connotation. In 2, the word with a negative connotation is discouraging. whereas freedom and exhilirated have a positive connotation, and bulb is neutral.