Task: Sentence Expansion
Input (English): Any group of fish that stays together for social reasons is said to be shoaling , and if the shoal is swimming in the same direction together , it is schooling .
Output (English): In biology , any group of fish that stay together for social reasons are shoaling ( pronounced / ˈʃoʊlɪŋ / ) , and if the group is swimming in the same direction in a coordinated manner , they are schooling ( pronounced / ˈskuːlɪŋ / ) .