Question

in april 2016, the city of boston and the nonprofit organization mass poetry wanted to commemorate national poetry month. for this reason, the two entities joined forces to create
aining poetry,\ an art installation featuring poems on bostons city sidewalks. the poems were installed using biodegradable, water - resistant spray paint and stencils. when the weather is dry, the poems are invisible. however, when it begins to rain, the sidewalks get wet and darken, except in the places where the paint repels the water. as a consequence, the poems appear, glistening through the raindrops. match causes with their effects. sidewalks get wet. mass poetry and the city of boston want to celebrate national poetry month. cause effect raining poetry is conceived. poems are revealed.

Explanation:

The desire of Mass Poetry and the city of Boston to celebrate National Poetry Month led to the creation of "Raining Poetry". When the sidewalks get wet due to rain, the water - resistant paint on which the poems are applied causes the poems to appear.

Answer:

Cause: Mass Poetry and the city of Boston want to celebrate National Poetry Month. Effect: Raining Poetry is conceived.
Cause: Sidewalks get wet. Effect: Poems are revealed.