Question: If "Tom gave Ralph a lift to school so he wouldn't have to drive alone.", can we conclude that "Ralph wouldn't have to drive alone."?
Answer: no

Question: If "The police arrested all of the gang members. They were trying to stop the drug trade in the neighborhood.", can we conclude that "The police were trying to stop the drug trade in the neighborhood."?
Answer: yes

Question: If "It is not easy to space buttonholes exactly the same distance apart, and it is very difficult to cut them precisely the right size. The tiniest slip of the scissors will make the hole too large, and even one thread uncut will leave it too small.", can we conclude that "Even one thread uncut will leave the hole too small."?
Answer:
yes