- A rose is a kind of plant
- A plant requires nutrients to grow
- Hence, a rose requires nutrients to grow

- A rose requires nutrients to grow
- Weeds use up nutrients
- The nutrients in soil is limited
- So, if weeds use up the nutrients, then the rose will not have nutrients to grow

- If weeds use up the nutrients, then the rose will not have nutrients to grow
- The student wants to grow roses
- Hence, the student has to kill the weeds so that the rose gets nutrients to grow

Therefore, the student has to kill the weeds so that the rose gets nutrients to grow
Question
A student plants rosebushes in her front yard. The student is frequently seen pulling weeds from the base of the rosebushes. What is the most likely reason that the weeds are pulled?

Context
- A rose is a kind of plant 
- The student wants to grow roses 
- Weeds use up nutrients 
- A plant requires nutrients to grow 
- The nutrients in soil is limited