How do you beat quest 5 on secretbuilders

am a bit stuck too but i can tell u that first u go to tresure island nd click the sign that says to the beach be on the look out for a map if you see one click it to look at the map click inventory then the map. use the map to get to a place where you swim but when you get there your asked a question the answear is the one to do with man losing a leg. go into your inventory and click the nemo spell the go into the water. make sure you go everywhere using the map, you need to find three tresure chests and answear there questions the first is a colour pattern, answear= red, orange, yellow, green, blue, purple, pink. the next two are words, the fishing one's answear is harpoon i can't remember the other one and that's as far as i've got. if anyone knows more please tell me be putting it here

The third chest answer is Tarts