coincidental

"Meeting him will be exciting. I enjoy meeting new people."

"Let me tell you how it happened."

"The liftoff will occur in exactly twelve seconds."

"Let me tell you how it happened."

"The problem with the project is that the current design flaws are already existing. "

"The lack of sleep resulted in a poor performance on the math test. "

"The school organizes many fun events throughout the year, like sports day and the school fair. "

"My mom bought a large grocery of food for the week's meals. "

"My sister's birthday is next week, and we're planning a party. "

"The meeting was a coincidence; both Sarah and Mark arrived at the same time. "

"My sister is always driving me crazy."

"After years of hard work, Maria's graduation from university was a joyful celebration. "