A (flag pin) may pertain-to a country.Logical formLearned from40 sentences. A pin can be at a (boiler room).Logical formLearned from39 sentences. A (lapel pin) may pertain-to a male.Logical formLearned from39 sentences. A pin can be commemorative.Logical formLearned from39 sentences. A pin can be loose.Logical formLearned from38 sentences. A pin can be sharp.Logical formLearned from38 sentences. A person may stick pins.Logical formLearned from37 sentences. A (pin number) may pertain-to a male.Logical formLearned from37 sentences. A female may wear a pin.Logical formLearned from37 sentences. (Pin placements) can be tough.Logical formLearned from37 sentences. Thousands can be constituted-of-or-filled-with pins.Logical formLearned from36 sentences. (Pin placements) can be difficult.Logical formLearned from36 sentences. A person may sit on pins.Logical formLearned from35 sentences. A male can be on pins.Logical formLearned from34 sentences. A male may wear a (flag lapel pin).Logical formLearned from34 sentences.