If it is possible to make only one meaningful English word with the third, the fifth, the seventh and the tenth letters of the word STREAMLINE which of the given will be the last letter of that word ? If no such word can be made, give 'X’ as the answer and if more than one such word can be made, give 'Y’ as the answer.
1) L
2) A
3) E
4) X
5) Y

Explanation

5