question: Britain sent troops to aid Portugal . What was the result ?
answer: the Anglo-Portuguese army , aided by guerrillas and practicing a scorched earth strategy , chased the greatly reduced Franco-Spanish army back to Spain
turker_answer: When Britain sent troops to aid Portugal , the Anglo-Portuguese army , aided by guerrillas and practicing a scorched earth strategy , chased the greatly reduced Franco-Spanish army back to Spain .
rule-based: Britain sent troops to aid Portugal . the Anglo-Portuguese army , aided by guerrillas and practicing a scorched earth strategy , chased the greatly reduced Franco-Spanish army back to Spain was the result .