Question:
Based on the premise "and it was eight years before i had to do it again", can we conclude that "I had to hang the drywall after eight years."?
****
Answer:
it is not possible to tell

Question:
Based on the premise "Had later victims not heard about the first suicide, they may not have done it when they did.", can we conclude that "All of the victims lived."?
****
Answer:
no

Question:
Based on the premise "In that regard, they evaluated a set of about 50 policies to improve the technology performance and characterization of the residential, commercial, industrial, transportation, and electricity generation sectors.", can we conclude that "Around fifty (50) policies were evaluated for the improvement of technological performance."?
****
Answer:
yes