rtokens: American 's parent , AMR Corp. , said it did not view the terms as a " deal breaker . "
pos: DT NNS IN NN IN DT NN VBD IN NNP NNP CC JJ NN CD NNS IN NNP NNP NN , DT JJS IN NNP .
tokens: The conditions for clearance of the alliance were that British Airways and American drop 168 slots at London Heathrow airport , the busiest in Europe .
ltokens: Industry sources said there was no new date for fresh talks and blamed the deadlock on uncertainty over whether the British Airways-American deal would be cleared .