But if you can control it and bring in one of your computers or the parts for one--  Sixteen tries later, Dave was cursing as he stared at a pile of useless items.
Dave was tired of trying and failing and close to giving up.
mnli hypothesis: Dave was tired of trying and failing and close to giving up. premise: But if you can control it and bring in one of your computers or the parts for one--  Sixteen tries later, Dave was cursing as he stared at a pile of useless items.