Question: If "The drain is clogged with hair. It has to be removed.", can we conclude that "The hair has to be removed."?
Answer: yes

Question: If "It was a summer afternoon, and the dog was sitting in the middle of the lawn. After a while, it got up and moved to a spot under the tree, because it was hot.", can we conclude that "The dog was hot."?
Answer: yes

Question: If "Mama came over and sat down beside Alice. Gently she stroked her hair and let the child weep.", can we conclude that "Alice stroked her hair and let the child weep."?
Answer:
no