示範題-中英對照版。作答時以中文或英文作答皆可

A-1. Something influences something.

有些事物影響有些事物

	Something influences something. 有些事物影響有些事物
加入代名詞：	There is at least one thing such that it influences something. 至少有一事物，它影響有些事物
代名詞轉變元：	There is at least one thing x such that x influences something. 至少有一事物x ，x影響有些事物
量詞符號化：	(∃x)(x influences something) (∃x)(x影響有些事物)
改寫受詞部份 加入代名詞：	(∃x)(there is at least one thing such that x influences it) (∃x)(至少有一事物，x影響它)
代名詞轉變元：	(∃x)(there is at least one thing y such that x influences y (∃x)(至少有一事物y，x影響y)
量詞符號化：	(∃x)(∃y)(x influences y) (∃x)(∃y)(x影響y)
述詞符號化：	(∃x)( ∃y)Ixy

B-3 (∃x)[Dx&(∃y)Cxy]

	(∃x)[Dx&(∃y)Cxy]
將述詞還原成自然語句：	(∃x)[x is a dog &(∃y)x chases y] (∃x)[x是狗&(∃y)x追逐y]
將後面的量詞改寫成半量化語句：	(∃x)[x is a dog & there is at least one thing y such that x chases y] (∃x)[x是狗&(∃y)至少有一事物y，x追逐y]
將變元y轉成代名詞：	(∃x) [x is a dog & there is at least one thing such that x chases it] (∃x) [x是狗&(∃y)至少有一事物，x追逐它]
去除代名詞：	(∃x)[x is a dog & x chases something] (∃x) [x是狗&(∃y)x追逐某些東西]
改寫主詞部份 將量詞改寫成半量化語句：	There is at least one thing x such that x is a dog and x chases something 至少有一事物x，x是狗且x追逐某些東西
將變元x轉成代名詞：	There is at least one thing such that it is a dog and it chases something 至少有一事物，它是狗且它追逐某些東西
去除代名詞，轉成自然語句：	Some dogs chase something 有些狗追逐某些東西