A. "They expressed their gratitude to the community, saying 'Thank you for taking the time to learn and help us in this important task.'"Who/What:Who: "They" (Implies a group of people)What: Expressed gratitude to the community.When/Where/How:When: Not specified in the sentence (Implied to be after receiving help).Where: To the community (Implies a location where the community is gathered or can hear them).How: By saying "Thank you for taking the time to learn and help us in this important task."B. "From that moment on, they promised to throw away their waste correctly."Who/What:Who: "They" (Implies a group of people)What: Promised to throw away their waste correctly.When/Where/How:When: "From that moment on" (Implies a specific point in time after an event).Where: Not specified in the sentence (Implied to be wherever they generate waste).How: By making a promise (Implies a commitment to change their behavior).C. "Maria and Bernardo repaired it under the dark sky using magic and pushing, pulling, and carrying rocks."Who/What:Who: Maria and BernardoWhat: Repaired "it" (Implies an object or structure).When/Where/How:When: Under the dark sky (Implies nighttime).Where: Not specified in the sentence (Implied to be the location of "it").How: Using magic and pushing, pulling, and carrying rocks.