Original sentence: At the end of that movie, the cast and boat are wrecked on the same island, as shown by Gilligan's discovery of a plank with "Minnow I" on it; how they knew to call the first vessel "I" before there was a second is not explained
Edited sentence: At the end of that movie, the cast and boat are wrecked on the same island, as shown by Gilligan's discovery of a plank with "Minnow I" on it.How they knew to call the first vessel "I" before there was a second is not explained