(Fluid flow) can be in pipes.Logical formLearned from5 sentences. A fluid can be necessary.Logical formLearned from5 sentences. Fluid may be withdrawned.Logical formLearned from5 sentences. A build-up can be constituted-of-or-filled-with spinal fluid.Logical formLearned from5 sentences. A conduit can be for fluids.Logical formLearned from5 sentences. Fluid may be released.Logical formLearned from5 sentences. A fluid may fill a space.Logical formLearned from5 sentences. (Fluid flow) may undergo an evolution.Logical formLearned from5 sentences. Fluids may be collected.Logical formLearned from5 sentences. A fluid can be antiseptic.Logical formLearned from5 sentences. Fluid may be drawn.Logical formLearned from5 sentences. Fluids can be salty.Logical formLearned from5 sentences. (Stem cells) can be from (amniotic fluid).Logical formLearned from5 sentences. Fluid may build_up in a middle ear.Logical formLearned from5 sentences. Fluid can be in blood.Logical formLearned from5 sentences.