Final answer:
The group that includes abstract nouns is group 1 with the words sadness, loyalty, and trust, as these represent concepts that cannot be perceived with the five senses.
Step-by-step explanation:
The student has asked to identify which group includes abstract nouns. Abstract nouns are words that name things that are not concrete; they refer to ideas, qualities, and conditions that cannot be perceived with the five senses.
Looking at the options provided, group 1 includes sadness, loyalty, and trust, all of which are indeed abstract nouns because they represent feelings or concepts that cannot be touched or seen.