Given an array of strings (nouns), list them up in a complete sentence.

Examples

sentence(["orange", "apple", "pear"]) ➞ "An orange, an apple and a pear."

sentence(["keyboard", "mouse"]) ➞ "A keyboard and a mouse."

sentence(["car", "plane", "truck", "boat"]) ➞ "A car, a plane, a truck and a boat."

Notes

• The sentence starts with a capital letter.
• Do not change the order of the words.
• A/An should be correct in all places.
• Put commas between nouns, except between the last two (there you put "and").
• The sentence ends with a .
• There are at least two nouns given.
• Every given word is lowercase.