premise: Sam vowed to try something new at the dinner party tonight.
initial: He saw shrimp cocktail appetizers and decided to try those.
counterfactual: He saw shrimp cocktail appetizers and decide to avoid it because he had allergies.
original_ending: He lifted a shrimp to his mouth cautiously. As he chewed it, his face broke into a grin. Sam liked it.
edited_ending: He lifted a lobster to his mouth cautiously.As he chewed it, his face broke into a grin.Sam liked it.<SEP>His friend lifted a shrimp to his mouth cautiously.As he chewed it, his face broke into a grin.Sam's friend liked it.<SEP>He didn't lift a shrimp to his mouth cautiously.As he didn't chew it, his face broke into a grin.Sam didn't care for it.