Medical students are taught - "When you hear the sound of hooves, think horses, not zebras." 'Horses' are common ailments, 'zebras' are rare diseases. is a zebra. The problem is that doctors have forgotten that zebras DO exist.
"Teacher says pick a partner look at your friend like this" is not right because there should be the words "when the" before teacher and a comma after partner, along with a period. Grammar win: When the teacher says pick a partner, look at your friend lik