Instruct: Classify Amazon reviews into positive or negative sentiment
Query: They could have done a better job

You should watch this movie before reading 'Into Thin Air'. Though the photography is nice (and I would imagine it must have taken a lot of effort and hardship to carry the photography equipments up there) the DVD lacks the details!!They spent a lot of time talking about preparations and focusing on the lower camps and missed out the high camp and the summit.(...)