Thimmarusu found the invitation to be too strange and the problem like a complex puzzle. 
 faʊnd ðʌ ɪnvɪteɪʃʌn tu bi tu stɹeɪndʒ ʌnd ðʌ pɹɑblʌm laɪk ʌ kɑmplɛks pʌzʌl. 
 Indian speaks in a monotone voice with a moderate delivery speed in a room with clear acoustics and no discernible echo.