A (nosewheel undercarriage) can be retractable.Logical formLearned from6 sentences. An undercarriage can be a design.Logical formLearned from6 sentences. An undercarriage may retract into (engine nacelles).Logical formLearned from6 sentences. A (tricycle undercarriage) may be fitted.Logical formLearned from6 sentences. An aircraft may be fitted with an undercarriage.Logical formLearned from6 sentences. (Undercarriage legs) can be fixed.Logical formLearned from6 sentences. An undercarriage may be strengthened.Logical formLearned from6 sentences. An undercarriage can be white.Logical formLearned from6 sentences. Undercarriage can be in shape.Logical formLearned from6 sentences. An undercarriage of a car may look new.Logical formLearned from6 sentences. A female may fall from an undercarriage.Logical formLearned from6 sentences. An undercarriage may pertain-to a van.Logical formLearned from6 sentences. An aircraft may have an undercarriage.Logical formLearned from5 sentences. An undercarriage can be improved.Logical formLearned from5 sentences. Wheels may pertain-to an undercarriage.Logical formLearned from5 sentences.