How to distinguish the upper and lower parts of three Swiss houses in Wei Zi with auspicious five-color light

Look at the last word of each sentence by distinguishing the upper and lower couplets. If it is the third and fourth pronunciation, it is the upper part, if it is the first and second pronunciation, it is the lower part.

Wei Zi Gaolou Santairi

The last word of this sentence is pronounced in the fourth tone, so it is the first part; Wu Qixiang Wu Rui Seguang

The last word of this sentence reads the first sound, so it is the bottom line.