A person may see some trees.Logical formLearned from50 sentences. Birds may sing in trees.Logical formLearned from50 sentences. A female can be a tree.Logical formLearned from50 sentences. Trees can be lighted.Logical formLearned from50 sentences. (Pine trees) can be tall.Logical formLearned from50 sentences. Trees can be old.Logical formLearned from50 sentences. A male may be tied to a tree.Logical formLearned from49 sentences. Thickets can be constituted-of-or-filled-with trees.Logical formLearned from49 sentences. Trees can be big.Logical formLearned from49 sentences. A (tree shop) may pertain-to a religious-holiday.Logical formLearned from49 sentences. (Oak trees) can be tall.Logical formLearned from49 sentences. A swath can be constituted-of-or-filled-with trees.Logical formLearned from48 sentences. Trees can be treated.Logical formLearned from48 sentences. Safety may pertain-to trees.Logical formLearned from48 sentences. Trees can be aged.Logical formLearned from48 sentences.