Generate an overlapping word between the given two sentences. When you find the overlapping words, they don't have to match exactly, e.g., "survival" and "survive" are valid overlapping words. Little words like "the" or "of" don't count! You must generate significant words which are not the stop words.

Sentence1: Petals attract pollinators to the flower. 
Sentence2: Something a daisy has attracts pollinators.
attract

Sentence1: Contact with infected blood, contaminated needles. 
Sentence2: scraping oneself on an infected needle may cause infection.
infected

Sentence1: a circle graph can be used to display percents. 
Sentence2: a circle graph can be used to display decimal fractions.

circle