A 25 years female was found in the room with 100% burns on her body. The tongue was protruding out; the body was in pugilistic attitude with heat ruptures, peeling of skin, and heat haematoma and heat fractures of the skull. Carboxyhemoglobin was 25% and soot particles were present in the trachea. Which of the combinations of two findings will establish that the burns were antemortem in nature-