Below a word is given followed by three sentences which make use of that word. Identify the sentence/s which best expresses the meaning of the word. Choose option 5 (None of the these) if the word is not suitable in any of the sentences.

Clench

1. He staggered up the steps and confronted me, jaw clenched and eyes stony, as if he had seen a ghost.
2. She rolls her eyes and clenches with laughter when reminded of the incident.
3. Harry could feel his stomach beginning to clench up into knots.