Crews may work under lights.Logical formLearned from12 sentences. (Rescue crews) may call_off a search.Logical formLearned from12 sentences. A (distress signal) can be from a crew.Logical formLearned from12 sentences. A crew may remain on a base.Logical formLearned from12 sentences. Persons may hear from a crew.Logical formLearned from12 sentences. A crew can be aware of feelings.Logical formLearned from12 sentences. Presence may jeopardize work of a crew.Logical formLearned from12 sentences. (Space station) may undergo a (replacement crew).Logical formLearned from12 sentences. A (replacement crew) of (space station) may spend.Logical formLearned from12 sentences. A crew may leave (space station).Logical formLearned from12 sentences. (Rescue crews) can be in a country.Logical formLearned from12 sentences. (Crew members) may notice a tear.Logical formLearned from12 sentences. (Crew members) may use a robot.Logical formLearned from12 sentences. Others can be on a crew.Logical formLearned from12 sentences. (Crew members) may pertain-to a (garbage barge).Logical formLearned from12 sentences.