The sentences that suggest Swift's belief that older people may be wiser due to their experiences are:
"As age advances, so does the accumulation of valuable life lessons and insights."
"Older individuals often demonstrate a depth of understanding born from encountering various challenges."
"Swift argues that wisdom is directly correlated with the richness of one's life experiences."
How to explain
These sentences convey Swift's perspective that wisdom often grows with age as individuals accumulate experiences and encounter life's challenges, implying that older individuals may possess greater wisdom due to their extended experiences.
The Complete Question
"Among the following sentences, which ones indicate Swift's belief that older individuals may possess wisdom derived from their life experiences?"
Sentences:
"As age advances, so does the accumulation of valuable life lessons and insights."
"Older individuals often demonstrate a depth of understanding born from encountering various challenges."
"Swift argues that wisdom is directly correlated with the richness of one's life experiences."
"Youth lacks the depth of understanding that comes only through years of living and learning."