A ninja can be cool.Logical formLearned from4 sentences. A person may wear a (ninja suit).Logical formLearned from4 sentences. A ninja can be invisible.Logical formLearned from4 sentences. Ninjas can be trained.Logical formLearned from4 sentences. (Ninja warriors) can be trained.Logical formLearned from4 sentences. Ninjas may be gone.Logical formLearned from4 sentences. A ninja can be unemployed.Logical formLearned from4 sentences. A ninja can be in a game.Logical formLearned from4 sentences. A scroll may scuttle_off to (ninja click).Logical formLearned from4 sentences. (Ninja pit bulls) can be mutant.Logical formLearned from4 sentences. A person may sell a ninja.Logical formLearned from4 sentences. Boys may take (ninja lessons).Logical formLearned from4 sentences. A village can be constituted-of-or-filled-with ninja.Logical formLearned from4 sentences. Ninjas may pertain-to the world.Logical formLearned from4 sentences. A penguin may turn into a ninja.Logical formLearned from4 sentences.